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cucumber lure trapping of zeugodacus cucurbitae (diptera: tephritidae) in hawaii and taiwan: longevity and nontargets captures.the melon fly, zeugodacus cucurbitae (coquillett), is a serious pest of tropical horticulture, causing damage to cucurbits, tree fruits, and fruiting vegetables. melon flies are especially attractive to freshly sliced cucumber, and this has led to the identification of a nine-compound kairomone lure that can be used to trap both female and male flies. in this study, a seven-compound lure, containing (z)-6-nonenal, (z)-6-nonen-1-ol, 1-octen-3-ol, (e,z)-2,6-nonadienal, (e)-2-nonenal, hexanal, and ...028025314
an overview of pest species of bactrocera fruit flies (diptera: tephritidae) and the integration of biopesticides with other biological approaches for their management with a focus on the pacific region.fruit flies (diptera: tephritidae) are among the most economically important pest species in the world, attacking a wide range of fruits and fleshy vegetables throughout tropical and sub-tropical areas. these species are such devastating crop pests that major control and eradication programs have been developed in various parts of the world to combat them. the array of control methods includes insecticide sprays to foliage and soil, bait-sprays, male annihilation techniques, releases of steriliz ...026463186
new synthetic lures for the male melon fly.several para-substituted derivatives of 4-phenyl-2-butanone (i) have proved to be powerful attractants for the male melon fly (dacus clucurbitae). these compounds, unlike anisylacetone, heretofore the best lure, attract even newly emerged flies. the most potent analog is 4-(p-acetoxyphenyl)-2-butanone (ii), which also strongly attracts dacus ochrosiae males.196017808098
deuteration of the melon fly attractant, cue-lure, and its effect on olfactory response and infra-red absorption. 19685733972
polyteny and salivary gland secretion in the melon fly, dacus cucurbitae. 19725045175
an in vitro study of the non-specific esterases of the melon fly, dacus cucurbitae coq. and their reactions with organophosphate and carbamate compounds. 19768263
olfactory receptors in the melon fly dacus cucurbitae and the oriental fruit fly dacus dorsalis.male melon flies (dacus cucurbitae) from a colony in hawaii were evaluated for limit of response to the olfactory stimulant raspberry ketone and to more than 40 related molecules. the results were compared with the limits of response of oriental fruit flies (dacus dorsalis) under identical conditions. the nature of the response of the two species to attractive compounds appeared to be identical with regard to orientation, searching, pulsating mouthparts, and compulsive feeding. however, there wa ...198316593321
benzyl acetates as attractants for the male oriental fruit fly, dacus dorsalis, and the male melon fly, dacus cucurbitae.fifty compounds related to benzyl acetate were evaluated quantitatively as attractants to the male oriental fruit fly (dacus dorsalis) and the male melon fly (dacus cucurbitae). thienylmethyl acetate was nearly as attractive as benzyl acetate to both species, but cyclohexylmethyl acetate was completely unattractive, emphasizing the role of the planar aromatic ring in receptor interaction. although benzyl acetate was equally attractive to both species, para substituents invariably reduced attract ...198616593663
age-related response of male melon fliesdacus cucurbitae (diptera: tephritidae) to cue-lure.laboratory-reared and wild adults of the melon fly,dacus cucurbitae coquillett, were tested for response to cue-lure at various ages. virgin laboratory (4, 6, 8, 10, 12, and 14 days old) and wild (10, 12, 14, 16, 18, 20, and 22 days old) flies were released into outdoor field cages and trapped from 0800 until 1600 hr. response of males to cue-lure increased with age and corresponded with sexual maturity for each strain. females of both strains were relatively nonresponsive to cue-lure. failure t ...199124258641
accumulation ofdendrobium superbum (orchidaceae) fragrance in the rectal glands by males of the melon fly,dacus cucurbitae.4-(4-hydroxyphenyl)-2-butanone was characterized from flowers of the orchiddendrobium superbum as a specific attractant factor for the male melon fly,dacus cucurbitae. the male flies compulsively licked the flower surface and sequestered the compound in significant quantities in their rectal glands. the compound was detected within 6 hr after ingestion and was retained for more than six days in the rectal gland sacs.199324249012
genetic trade-off between early fecundity and longevity in bactrocera cucurbitae (diptera: tephritidae).the response to selection on age at reproduction was measured to test for a genetic trade-off between early fecundity and longevity in the melon fly bactrocera cucurbitae (coquillett). three replicate lines were selected for propagation by breeding from young (y-lines) and old (o-lines) adults, respectively. selection was continued for 24 and 9 generations for y- and o-lines, respectively. females from o-lines lived longer than y-line females as an indirect response to selection, indicating that ...199716397642
correlated responses to selection for developmental period in bactrocera cucurbitae (diptera: tephritidae): time of mating and daily activity rhythms.comparisons of "time of mating" (the time copulation begins) between lines selected for short and long developmental periods have been made in the melon fly, bactrocera cucurbitae. these comparisons showed that longer development periods were associated with later initiation of mating. crosses were also made between selected lines to ascertain the genetic basis of developmental period and time of mating. comparisons of daily activity rhythms for four types of behavior (locomotion, preening, feed ...19979336086
genetic correlations between life-history and behavioral traits can cause reproductive isolation.reproductive isolation may often evolve as an indirect (pleiotropic) consequence of populations adapting to different environments or habitats. for example, niches that are temporally or seasonally offset can select for organisms with different developmental characteristics. these developmental differences can inadvertently cause reproductive isolation by a variety of means including shifts in mating activity patterns. here, we show a genetic correlation between a life-history trait (development ...199928565193
methyl eugenol and cue-lure traps for suppression of male oriental fruit flies and melon flies (diptera: tephritidae) in hawaii: effects of lure mixtures and weathering.methyl eugenol (4-allyl-1,2-dimethoxybenzene-carboxylate) and cue-lure [4-(p-acetoxyphenyl)-2-butanone] are highly attractive kairomone lures to oriental fruit fly, bactrocera dorsalis (hendel), and melon fly, b. cucurbitae (coquillett), respectively. plastic bucket traps were evaluated as dispensers for methyl eugenol and cue-lure for suppression of the 2 fruit flies in hawaii. methyl eugenol and cue-lure mixtures were compared with pure methyl eugenol or cue-lure over 4 seasons. b. dorsalis ca ...200014658515
quarantine security of bananas at harvest maturity against mediterranean and oriental fruit flies (diptera: tephritidae) in hawaii.culled bananas (dwarf 'brazilian', 'grand nain', 'valery', and 'williams') sampled from packing houses on the islands of hawaii, kauai, maui, molokai, and oahu identified specific "faults" that were at risk from oriental fruit fly, bactrocera dorsalis (hendel), infestation. faults at risk included bunches with precociously ripened bananas, or bananas with tip rot, fused fingers, or damage that compromised skin integrity to permit fruit fly oviposition into fruit flesh. no mediterranean fruit fly ...200111233129
polytene chromosome maps of the melon fly bactrocera cucurbitae (diptera: tephritidae).standard photographic maps of the polytene chromosomes are presented for the melon fly bactrocera cucurbitae, a serious pest of fleshy fruits and vegetables. five larval salivary gland polytene chromosomes (10 polytene arms) were isolated, and their characteristic features and landmarks have been recognized. banding patterns of each of the polytene arms are presented, where variation in band intensity and puffs appear to reflect fundamental differences in chromosomes. the whole polytene genome h ...200212502263
the period gene and allochronic reproductive isolation in bactrocera cucurbitae.clock genes that pleiotropically control circadian rhythm and the time of mating may cause allochronic reproductive isolation in the melon fly bactrocera cucurbitae (coquillett) (diptera: tephritidae). flies with a shorter circadian period (ca. 22 h of locomotor activity rhythm) mated 5 h earlier in the day than those with a longer circadian period (ca. 30 h). mate-choice tests demonstrated significant pre-mating isolation between populations with short and long circadian periods. pre-mating iso ...200212495490
circadian rhythm and time of mating in bactrocera cucurbitae (diptera: tephritidae) selected for age at reproduction.chrono-biological traits were changed by selecting for life-history traits via a genetic linkage controlling both time-related behavioural and life-history traits. behavioural traits were compared between lines selected for young (y-lines) and old (o-lines) age at reproduction in the melon fly, bactrocera cucurbitae (coquillett). adults from o-lines, which survive longer than flies from y-lines, mated later in the day and had a longer period of circadian rhythm in the locomotor activity than tho ...200211920139
field trials of spinosad as a replacement for naled, ddvp, and malathion in methyl eugenol and cue-lure bucket traps to attract and kill male oriental fruit flies and melon flies (diptera: tephritidae) in hawaii.spinosad was evaluated in hawaii as a replacement for organophosphate insecticides (naled, dichlorvos [ddvp], and malathion) in methyl eugenol and cue-lure bucket traps to attract and kill oriental fruit fly, bactrocera dorsalis hendel, and melon fly, b. cucurbitae coquillett, respectively. in the first and second methyl eugenol trials with b. dorsalis, naled was in the highest rated group for all evaluation periods (at 5, 10, 15, and 20 wk). spinosad was equal to naled at 5 and 10 wk during bot ...200314977115
comparison of the efficacy of different food attractants and their concentration for melon fly (diptera: tephritidae).the relative attractiveness of six commercially available protein hydrolysates and the influence of their concentration were evaluated in field cages by a release-capture method of lab-reared melon fly adults, bactrocera cucurbitae (coquillett). buminal, corn steepwater, hym-lure, pinnacle, nulure, and solbait were tested for both sexes of the melon fly. the tested products exhibited clear differences in attractiveness. solbait was the most effective protein hydrolysate. pinnacle and corn steepw ...200312650367
effectiveness of gf-120 fruit fly bait spray applied to border area plants for control of melon flies (diptera: tephritidae).in a field study in hawaii, color-marked protein-deprived and protein-fed female melon flies, bactrocera cucurbitae coquillett, were released within canopies of unsprayed sorghum plants (a nonhost of melon flies) outside of a border area of unsprayed or bait-sprayed sorghum plants or open space that surrounded cucumbers, a favored host of melon flies. application of bait spray to sorghum or sugarcane surrounding host plants of melon flies is a common practice for melon fly control in hawaii. gf- ...200314650522
releases of psyttalia fletcheri (hymenoptera: braconidae) and sterile flies to suppress melon fly (diptera: tephritidae) in hawaii.ivy gourd, coccinia grandis (l.) voigt, patches throughout kailua-kona, hawaii island, hi, were identified as persistent sources of melon fly, bactrocera cucurbitae (coquillett). these patches had a low incidence of psyttalia fletcheri (silvestri), its major braconid parasitoid natural enemy in hawaii, and were used to evaluate augmentative releases of p. fletcheri against melon fly. in field cage studies of releases, numbers of melon flies emerging from ivy gourd fruit placed inside treatment c ...200415568340
rearing of the cucurbit fly dacus cilratus loew (dip: tephritidae) on artificial diet under laboratory conditions.cucurbit fly is an important pest of cucurbit plants (cucumber, melon and watermelon) in most mid-east countries including, iran. this insect causes a high damage so that several sprayings are required to control the pest. using male strile is another physical method for controlling this pest. for this purpose it is necessary to rear many male insects. therefore an investigation was carried out to compare different artificial diets for rearing the melon fly. first, pupae were collected from cucu ...200415759431
influence of adding borax and modifying ph on effectiveness of food attractants for melon fly (diptera: tephritidae).the melon fly, bactrocera cucurbitae (coquillett) (diptera: tephritidae), is the most damaging pest of cucurbits in reunion island. the influence of adding borax and modifying ph on the effectiveness of different food attractants for both sexes of the melon fly is analyzed by a release-recapture method in field cages. adding borax to protein hydrolysates nulure and buminal strongly reduced their attractiveness for b. cucurbitae. acidification of 5% buminal solution (from ph 6 to ph 3) doubled it ...200415279302
effects of aging and dilution on attraction and toxicity of gf-120 fruit fly bait spray for melon fly control in hawaii.attractiveness and toxicity of gf-120 fruit fly bait (dow agroscience indianapolis, in) to melon flies, bactrocera cucurbitae coquillett, were examined to assess the effects of concentration and aging. we tested dilutions of 20, 40, and 80 ppm (ai) (spinosad) against water controls. the 80 and 40 ppm treatments were significantly more attractive than the 20 ppm and control treatments. attraction was compared between baits aged for 2 and 24 h, fresh bait and water controls. age had significant ef ...200415568356
revised irradiation doses to control melon fly, mediterranean fruit fly, and oriental fruit fly (diptera: tephritidae) and a generic dose for tephritid fruit flies.currently approved irradiation quarantine treatment doses for bactrocera cucurbitae (coquillet), melon fly; ceratitis capitata (wiedemann), mediterranean fruit fly; and bactrocera dorsalis (hendel), oriental fruit fly, infesting fruits and vegetables for export from hawaii to the continental united states are 210, 225, and 250 gy, respectively. irradiation studies were initiated to determine whether these doses could be reduced to lower treatment costs, minimize any adverse effects on quality, a ...200415384335
toxicity of spinosad in protein bait to three economically important tephritid fruit fly species (diptera: tephritidae) and their parasitoids (hymenoptera: braconidae).the feeding toxicity of the natural insecticide spinosad in provesta protein bait was evaluated for three economically important fruit fly species, the mediterranean fruit fly, ceratitis capitata (wiedemann); the melon fly, bactrocera cucurbitae coquillett; and the oriental fruit fly, bactrocera dorsalis hendel. both females and males were evaluated. spinosad was remarkably similar in toxicity to all three fruit fly species. male c. capitata (24 h lc50 values and 95% fiducial limits = 2.8 [2.60- ...200415279271
male courtship song in circadian rhythm mutants of bactrocera cucurbitae (tephritidae: diptera).pulse train intervals (pti) of courtship song were differentiated between circadian clock mutants of the melon fly, bactrocera cucurbitae (coquillett) (tephritidae: diptera). we analysed the male mating song of b. cucurbitae flies of two mutant strains that differed in circadian locomotor rhythm by a labview programming system. flies with a short circadian rhythm (s-strain) had shorter pti than those with a long circadian rhythm (l-strain) in the two age groups tested, young and old. young flies ...200415037096
eradication of the melon fly, bactrocera cucurbitae, in japan: importance of behavior, ecology, genetics, and evolution.the melon fly, bactrocera cucurbitae, is a destructive insect of cucurbit and other fruits. it invaded the southwestern islands of japan from 1919 to 1974. the sterile insect technique (sit) was successfully applied from 1972 to 1993 to eradicate the melon fly. technical research into sit functions, such as suppression of density, mass-rearing, sterilization, shipment, release, evaluation of efficacy, and quality control of mass-reared insects, was conducted for this eradication project. fundame ...200414651467
movement of sterile male bactrocera cucurbitae (diptera: tephritidae) in a hawaiian agroecosystem.the melon fly, bactrocera cucurbitae coquillett, invaded the hawaiian island chain in 1895. in 1999, a program sponsored by the usda-ars to control melon fly and other tephritid pests in hawaii over a wide area was initiated on the islands of hawaii, maui, and oahu. to control these flies in an areawide setting, understanding how flies move within the landscape is important. to explore the movement of this fly, we examined the movement of marked, male, sterile, laboratory-reared b. cucurbitae on ...200516334322
studies on the mating competition of gamma-irradiated and non-irradiated males of melon fruit fly (dacus cucurbitae). 20051184226
[genetic relationships among four bactrocera cucurbitae geographic populations in yunan province].in this study, the partial section of mitochondrial cytochrome b in 23 individuals of four bactrocera cucurbitae geographic populations (banna, ruili, yuanjiang, and hekou)in yunnan province was sequenced, and the phylogenetic trees of all haplotypes were constructed by means of n-j method, using b. dorsalis, b. correct and b. tau as the out-group species. of the 426 bp mitochondrial cytochrome b dna sequences obtained, a% + t% was about 65.0%, four nucleotide sites were substituted, and no base ...200516422509
redressing the sex imbalance in knowledge of vector biology.the recent development of transgenic mosquitoes that are resistant to infection by the plasmodium malarial parasite is a promising new tool in the fight against malaria. however, results of large-scale field releases of alternatively modified mosquitoes carried out during the 1970s and 1980s suggest that this approach could be difficult to implement in the field. these past attempts to control mosquito populations largely floundered as a result of our insufficient understanding of the behavioura ...200516701369
the melon fruit fly, bactrocera cucurbitae: a review of its biology and management.the melon fruit fly, bactrocera cucurbitae (coquillett) (diptera: tephritidae) is distributed widely in temperate, tropical, and sub-tropical regions of the world. it has been reported to damage 81 host plants and is a major pest of cucurbitaceous vegetables, particularly the bitter gourd (momordica charantia), muskmelon (cucumis melo), snap melon (c. melo var. momordica), and snake gourd (trichosanthes anguina). the extent of losses vary between 30 to 100%, depending on the cucurbit species and ...200517119622
weathering trials of amulet cue-lure and amulet methyl eugenol "attract-and-kill" stations with male melon flies and oriental fruit flies (diptera: tephritidae) in hawaii.amulet c-l (cue-lure) and amulet me (methyl eugenol) molded paper fiber "attract-and-kill" dispensers containing fipronil were tested under hawaiian weather conditions against bactrocera cucurbitae (coquillett) (melon fly) and bactrocera dorsalis (hendel) (oriental fruit fly), respectively. in paired tests (fresh versus weathered), c-l dispensers were effective for at least 77 d, whereas me dispensers were effective for at least 21 d. thus, c-l dispensers exceeded, whereas me dispensers did not ...200516334323
comparative evaluation of spinosad and phloxine b as toxicants in protein baits for suppression of three fruit fly (diptera: tephritidae) species.spinosad and phloxine b are two more environmentally friendly alternative toxicants to malathion for use in bait sprays for tephritid fruit fly suppression or eradication programs. laboratory tests were conducted to assess the relative toxicity of these two toxicants for melon fly, bactrocera cucurbitae coquillett; oriental fruit fly, bactrocera dorsalis hendel; and mediterranean fruit fly, ceratitis capitata (wiedemann) females. field tests also were conducted with all three species to compare ...200516156568
synomone or kairomone?--bulbophyllum apertum flower releases raspberry ketone to attract bactrocera fruit flies.bulbophyllum apertum flower (orchidaceae) releases raspberry ketone (rk) in its fragrance, which attracts males of several fruit fly species belonging to the genus bactrocera. besides rk as a major component, the flower contains smaller amounts of 4-(4-hydroxylphenyl)-2-butanol, plus two minor volatile components, veratryl alcohol and vanillyl alcohol. within the flower, the lip (labellum) had the highest concentration of rk with much smaller quantities present in petals; other flower parts had ...200515898497
possible role of eclosion rhythm in mediating the effects of light-dark environments on pre-adult development in drosophila melanogaster.in insects, circadian clocks have been implicated in affecting life history traits such as pre-adult development time and adult lifespan. studies on the period (per) mutants of drosophila melanogaster, and laboratory-selected lines of bactrocera cucurbitae suggested a close link between circadian clocks and development time. there is a possibility of clock genes having pleiotropic effects on clock period and pre-adult development time. in order to avoid such pleiotropic effects we have used wild ...200515725348
a tuber lectin from arisaema jacquemontii blume with anti-insect and anti-proliferative properties.a tuber lectin from arisaema jacquemontii blume belonging to family araceae was purified by employing a single step affinity chromatography using column of asialofetuin-linked amino activated silica beads and the bound lectin was eluted with 100 mm glycine-hcl buffer ph 2.5. the purified a. jacquemontii lectin (ajl) showed a single protein band with an apparent molecular mass of 13.4 kda when submitted to sds-polyacrylamide gel electrophoresis under reducing as well as non-reducing conditions. t ...200616889688
effectiveness of protein baits on melon fly and oriental fruit fly (diptera: tephritidae): attraction and feeding.attraction and feeding responses of oriental fruit fly, bactrocera dorsalis (hendel), and melon fly, bactrocera cucurbitae (coquillett), were determined for different protein baits. in separate choice attraction assays for each species, significantly more flies arrived at stations with bait than water, but no differences existed among baits of gf-120 fruit fly bait, gf-120 nf naturalyte fruit fly bait, provesta 621 autolyzed yeast extract, and mazoferm e802. in comparison with b. dorsalis, b. cu ...200616937668
a tuber lectin from arisaema helleborifolium schott with anti-insect activity against melon fruit fly, bactrocera cucurbitae (coquillett) and anti-cancer effect on human cancer cell lines.an anti-insect and anti-cancer lectin has been isolated from arisaema helleborifolium schott by affinity chromatography using asialofetuin-linked amino activated silica beads. the bound a. helleborifolium lectin (ahl) was eluted with 100mm glycine-hcl buffer, ph 2.5. it gave a single band on sds-page, ph 8.3, and page, ph 4.5. however, multiple bands were obtained in page at ph 8.3 and isoelectric focusing. the lectin was a homotetramer having subunit molecular mass 13.4kda while its native mole ...200616321359
new contributions towards the understanding of the phylogenetic relationships among economically important fruit flies (diptera: tephritidae).fruit flies (diptera: tephritidae) are a species-rich and economically important group. the phylogenetic relationships among the many taxa are still to be fully resolved and the monophyly of several groups is still to be confirmed. this paper reports a study of the phylogenetic relationships among 23 economically important tephritid species (representing several major lineages of the family) which examines the sequence of a region of mitochondrial dna encompassing the cytb, trna(ser) and nd1 gen ...200616768816
field captures of wild melon fly (diptera: tephritidae) with an improved male attractant, raspberry ketone formate.field-trapping evaluations of the new male attractant, formic acid 4-(3-oxobutyl) phenyl ester (raspberry ketone formate [rkf]) were conducted in hawaii with wild populations of melon flies, bactrocera cucurbitae coquillett (diptera: tephritidae), to determine its activity in the field and to evaluate new plastic matrix formulations. all tests were compared with the standard melon fly attractant 4-(4-acetoxyphenyl) -2-butanone (cuelure [cl]), which is the attractant of choice for detection progr ...200717849860
impact of natural hosts and artificial adult diets on some quality parameters of the melon fly, bactrocera cucurbitae (coquillett) (diptera: tephritidae).experiments were conducted to evaluate the impact of different natural hosts and artificial adult diets on the pupal quality, adult emergence, ovariole number and longevity of the melon fly, bactrocera cucurbitae (coquillett) for two generations under laboratory condition. pupal quality and percentage adult emergence was slightly higher in f2 generation than f1 generation from all tested hosts. b. cucurbitae fed on proteose-peptone sugar (1:4) produced twice as many as eggs when fed on yeast:sug ...200719070011
effects of neem leaf dust and a commercial formulation of a neem compound on the longevity, fecundity and ovarian development of the melon fly, bactrocera cucurbitae (coquillett) and the oriental fruit fly, bactrocera dorsalis (hendel) (diptera: tephritidae).neem leaf dust and a commercial formulation of neem were tested on adult bactrocera cucurbitae (coquillett) and bactrocera dorsalis (hendel) to determine their effects on the longevity, fecundity and ovarian development. different combinations of neem leaf dust and a commercial formulation of a neem compound incorporated with sugar solution and adult rearing diets were tested. the laboratory tests showed that ingestion of neem can significantly reduced the longevity and fertility of both the fly ...200719093477
assessment of attractiveness of plants as roosting sites for the melon fly, bactrocera cucurbitae, and oriental fruit fly, bactrocera dorsalis.the use of toxic protein bait sprays to suppress melon fly, bactrocera cucurbitae (coquillett) (diptera: tephritidae), populations typically involves application to vegetation bordering agricultural host areas where the adults seek shelter ("roost"). although bait spray applications for suppression of oriental fruit fly, bactrocera dorsalis (hendel), populations have traditionally been applied to the host crop, rather than to crop borders, roosting by oriental fruit flies in borders of some crop ...200720334596
attraction of ethyl ether extracts of 232 botanicals to oriental fruit flies, melon flies, and mediterranean fruit flies.the mediterranean fruit fly, ceratitis capitata (wiedemann), the melon fly, dacus cucurbitae coquillett, and the oriental fruit fly, d. dorsalis hendel, three hawaiian tephritids of economic importance, were exposed to traps each containing one of 232 ethyl ether extracts of air-dried botanicals. the principal concern was to establish which extracts were attractive judged on the basis of an index determined by the number of times more flies were attracted to the trap baited with water and extrac ...20081134212
evaluation of splat with spinosad and methyl eugenol or cue-lure for "attract-and-kill" of oriental and melon fruit flies (diptera: tephritidae) in hawaii.specialized pheromone and lure application technology (splat) methyl eugenol (me) and cue-lure (c-l) "attract-and-kill" sprayable formulations containing spinosad were compared with other formulations under hawaiian weather conditions against oriental fruit fly, bactrocera dorsalis (hendel), and melon fly, bactrocera cucurbitae (coquillett) (diptera: tephritidae), respectively. field tests were conducted with three different dispensers (min-u-gel, acti-gel, and splat) and two different insectici ...200818613576
population genetic structure of the melon fly, bactrocera cucurbitae (diptera: tephritidae), from china and southeast asia.the melon fly, bactrocera cucurbitae coquillett, is a species of fruit flies of significant agricultural interest. of supposed indian origin, the melon fly is now widely distributed throughout south east asia up to china, while it has been recently eradicated from japan. the population structure of seven geographic populations from coastal china, as well as samples from other regions of south east asia and japan, including lab colonies, have been studied using a 782 bp fragment of mitochondrial ...200818188668
evaluation of lure dispensers for fruit fly surveillance in new zealand.fruit flies (diptera: tephritidae) represent a major biosecurity threat to the horticulture sector of new zealand, which is entirely free of these invasive pests. a nationwide surveillance programme is conducted to ensure any incursion is detected as early as possible. a review of the lure dispensers used is reported here.200818383565
development of immature stages and comparative demography of two cucurbit-attacking fruit flies in reunion island: bactrocera cucurbitae and dacus ciliatus (diptera tephritidae).on reunion island, two species of dacini, bactrocera cucurbitae (coquillett) and dacus ciliatus loew, infest 16 host plant species belonging to the family cucurbitaceae from sea level to 1,600 m. these two species represent two primary pests of this plant family on the island. melon fly, bactrocera cucurbitae, and ethiopian fruit fly, d. ciliatus, larval development was studied at four different constant temperatures (15, 20, 25, and 30 degrees c) with three host plants (cucumber, pumpkin, and s ...200818419901
effects of plant lectin from cobra lily, arisaema curvatum kunth on development of melon fruit fly, bactrocera cucurbitae (coq.).the lectin from tubers of cobra lily, arisaema curvatum kunth was purified by affinity chromatography using asialofetuin-linked amino activated porous silica beads. the concentration dependent effect of lectin was studied on second instar larvae (64-72 hr) of bactrocera cucurbitae (coq.). the treatment not only resulted in a significant reduction in the percentage pupation and emergence of the adults from treated larvae but it also prolonged the remaining larval development period. a very low lc ...200819297991
insecticidal activity of basil oil, trans-anethole, estragole, and linalool to adult fruit flies of ceratitis capitata, bactrocera dorsalis, and bactrocera cucurbitae.basil oil and its three major active constituents (trans-anethole, estragole, and linalool) obtained from basil (oscimum basilicum l.) were tested on three tephritid fruit fly species [ceratitis capitata (wiedemann), bactrocera dorsalis (hendel), and bactrocera cucurbitae (coquillett)] for insecticidal activity. all test chemicals acted fast and showed a steep dose-response relationship. the lethal times for 90% mortality/knockdown (lt90) of the three fly species to 10% of the test chemicals wer ...200919253638
an evaluation of alternative insecticides to diazinon for control of tephritid fruit flies (diptera: tephritidae) in soil.diazinon has been used extensively in the past as part of california eradication programs for tephritid fruit flies (diptera: tephritidae) as a soil drench, but it is being phased out for this purpose in the united states. therefore, in this study, the toxicity of platinum, force, admire, regent, and warrior was estimated after application to sand and soil as drenches for control of the mediterranean fruit fly, ceratitis capitata (wiedemann); melon fly, bactrocera cucurbitae (coquillett); and or ...200919253629
captures in methyl eugenol and cue-lure detection traps with and without insecticides and with a farma tech solid lure and insecticide dispenser.methyl eugenol (me) and cue-lure (c-l) traps to detect tephritid flies on the u.s. mainland were tested with and without insecticides under hawaiian weather conditions against small populations of oriental fruit fly, bactrocera dorsalis (hendel) and melon fly, bactrocera cucurbitae (coquillett), respectively. in comparative tests, standard jackson traps with naled and the hawaii fruit fly areawide pest management (awpm) trap with 2,2-dichorovinyl dimethyl phosphate (ddvp) insecticidal strips out ...200919449634
evaluation of yeasts and yeast products in larval and adult diets for the oriental fruit fly, bactrocera dorsalis, and adult diets for the medfly, ceratitis capitata, and the melon fly, bactrocera curcurbitae.several yeasts and yeast products were tested in adult diets for the medfly ceratitis capitata (wiedemann), oriental fruit fly bactrocera dorsalis (hendel), and melon fly, bactrocera curcurbitae (coquillett) (diptera: tephritidae) and in larval liquid diet for mass-rearing b. dorsalis. three hydrolyzed brewer's yeasts (fnils65, fni200 and fni210), one glutamine enriched yeast (gsh), one vitamin-enriched yeast (rda500), korea yeast, whole cell yeasts, and combinations of them were evaluated. adul ...200919613830
host range and distribution of fruit-infesting pestiferous fruit flies (diptera, tephritidae) in selected areas of central tanzania.the host range of major fruit fly pests in central tanzania was evaluated from october 2004 to october 2006. samples of 48 potential hosts were collected and incubated for fruit fly emergence. bactrocera invadens was the dominant species in incidence expressed as the ratio of infested to total number samples collected, as well as infestation rate, expressed as number of flies emerging per unit weight. eight new host fruits are reported. infestation by native pests, such as ceratitis capitata and ...200919323850
anti-insect potential of lectins from arisaema species towards bactrocera cucurbitae.bactrocera cucurbitae (coquillett), also known as melon fruit fly, is one of the major insect pests of cucurbits in several parts of asia, africa and pacific. in the present investigation, effect of lectins from two sources i.e. arisaema intermedium blume and arisaema wallichianum hook f. (family-araceae) has been studied on the development of second instar larvae of melon fruit fly. the lectins were incorporated separately in artificial diet at a concentration of 10 to 160 microg ml(-1) and fed ...200920329399
effects of indian coral tree, erythrina indica lectin on eggs and larval development of melon fruit fly, bactrocera cucurbitae.present study was undertaken to investigate the influence of d-galactose binding lectin from erythrina indica lam. on the eggs and second instar larvae (64-72 hr) of melon fruit fly, bactrocera cucurbitae (coquillett). the lectin from e. indica seeds was extracted and purified by affinity chromatography using asilofetuin linked porous amino activated silica beads. the effects of various concentrations (0, 125, 250, 500 and 1000 microg ml(-1)) of lectin were studied on freshly laid eggs (0-8 hr) ...200920120488
host status of blueberry to invasive tephritid fruit flies in hawaii.forced infestation studies were conducted to determine whether northern or southern highbush blueberries, vaccinium corymbosum l., are hosts for the invasive tephritid fruit flies in hawaii. fruit were exposed to gravid female flies of bactrocera dorsalis hendel (oriental fruit fly), ceratitis capitata (wiedemann) (mediterranean fruit fly), or bactrocera cucurbitae coquillet (melon fly) in screen cages outdoors for 6 h and then held on sand in the laboratory for 2 wk for pupal and adult emergenc ...200919886450
polymorphic microsatellite markers in the melon fruit fly, bactrocera cucurbitae (coquillett) (diptera: tephritidae).bactrocera cucurbitae (coquillett) is an important insect pest of melon fruit causing extensive losses of production in asia and pacific areas. twelve polymorphic microsatellite loci were isolated from an enriched dna library of this species and their amplification characteristics are described. genetic parameters were estimated on 80 individual flies from four natural populations. allele numbers per locus ranged from three to 20. these microsatellite markers have potential utility in population ...200921564920
thermal death kinetics of mediterranean, malaysian, melon, and oriental fruit fly (diptera: tephritidae) eggs and third instars.the late-aged egg and third-instar life stages of laboratory-reared malaysian fruit fly, bactrocera latifrons (hendel); mediterranean fruit fly, ceratitis capitata (wiedemann); melon fly, b. cucurbitae coquillett; and oriental fruit fly, b. dorsalis (hendel), (diptera: tephritidae); and the third instars of wild mediterranean fruit fly were exposed to thermal treatments. a heating block system was used to determine the thermal death kinetics of the four fruit fly species. treatments consisted of ...200919449631
cucumber volatile blend attractive to female melon fly, bactrocera cucurbitae (coquillett).the melon fly, bactrocera cucurbitae (coquillett), is a serious crop pest throughout the asia pacific sub-continent and southeast asia, causing damage to tree fruits, cucurbits, and related crops. attractants for female melon flies are of particular interest as they could be used in control tactics to reduce pest levels. previous work has shown that freshly sliced cucumbers are attractive to female melon flies, but the compounds responsible for this attraction were not identified. the objective ...201020526732
recent advances in methyl eugenol and cue-lure technologies for fruit fly detection, monitoring, and control in hawaii.worldwide, an important aspect of invasive insect pest management is more effective, safer detection and control systems. phenyl propanoids are attractive to numerous species of dacinae fruit flies. methyl eugenol (me) (4-allyl-1, 2-dimethoxybenzene-carboxylate), cue-lure (c-l) (4-(p-acetoxyphenyl)-2-butanone), and raspberry ketone (rk) (4-(p-hydroxyphenyl)-2-butanone) are powerful male-specific lures. most evidence suggests a role of me and c-l/rk in pheromone synthesis and mate attraction. me ...201020831962
evaluation of methyl eugenol and cue-lure traps with solid lure and insecticide dispensers for fruit fly monitoring and male annihilation in the hawaii areawide pest management program.methyl eugenol (me) and cue-lure (c-l) traps with solid lure dispensers were deployed in areas with low and high populations of oriental fruit fly, bactrocera dorsalis (hendel), and melon fly, bactrocera cucurbitae (coquillett), respectively. in low-density areas, standard jackson traps or hawaii fruit fly areawide pest management (awpm) traps with ft mallet me wafers impregnated with dimethyl dichloro-vinyl phosphate (ddvp) or awpm traps with scentry me cones and vapor tape performed equally as ...201020429456
development of allele-specific single-nucleotide polymorphism-based polymerase chain reaction markers in cytochrome oxidase i for the differentiation of bactrocera papayae and bactrocera carambolae (diptera: tephritidae).differentiation of bactrocera papayae drew & hancock and bactrocera carambolae drew & hancock (diptera: tephritidae) based on morphological characters has often been problematical. we describe here a single-nucleotide polymorphism (snp)-based polymerase chain reaction (pcr) assay to differentiate between these two species. for detection of snps, fragments derived from each species were amplified using two primer pairs, coif/coir and uea7/uea10, sequenced, and aligned to obtain a contiguous 1,517 ...201021309218
host use of bactrocera latifrons, a new invasive tephritid species in tanzania.bactrocera latifrons (hendel) is a pest of asian origin, first detected in africa in 2006. we assessed the host utilization of this quarantine pest in morogoro region, eastern central tanzania, by collecting a wide range of cultivated and wild host plants of species belonging to solanaceae and cucurbitaceae from april 2007 to april 2008. fruit were collected from 29 plant species and varieties (16 solanaceae and 13 cucurbitaceae) in all agroecological zones of morogoro region. twelve solanaceous ...201020214370
permanent genetic resources added to molecular ecology resources database 1 december 2009-31 january 2010.this article documents the addition of 220 microsatellite marker loci to the molecular ecology resources database. loci were developed for the following species: allanblackia floribunda, amblyraja radiata, bactrocera cucurbitae, brachycaudus helichrysi, calopogonium mucunoides, dissodactylus primitivus, elodea canadensis, ephydatia fluviatilis, galapaganus howdenae howdenae, hoplostethus atlanticus, ischnura elegans, larimichthys polyactis, opheodrys vernalis, pelteobagrus fulvidraco, phragmidiu ...201021565062
total body nitrogen and total body carbon as indicators of body protein and body lipids in the melon fly bactrocera cucurbitae: effects of methoprene, a juvenile hormone analogue, and of diet supplementation with hydrolyzed yeast.the application of methoprene, and providing access to diet including hydrolyzed yeast, are treatments known to enhance mating success in the male melon fly bactrocera cucurbitae coquillett (diptera: tephritidae), supporting their use in mass rearing protocols for sterile males in the context of sterile insect technique (sit) programmes. the objective of the present laboratory study was to investigate the effect of methoprene application and diet supplementation with hydrolyzed yeast (protein) o ...201020688076
captures of pest fruit flies (diptera: tephritidae) and nontarget insects in biolure and torula yeast traps in hawaii.multilure traps were deployed in a hawaiian orchard to compare the attraction of economically important fruit flies and nontarget insects to the three-component biolure and torula yeast food lures. either water or a 20% propylene glycol solution was used to dissolve the torula yeast or as capture fluid in biolure traps. torula yeast in water was more attractive than biolure for male and female bactrocera cucurbitae (coquillett) and bactrocera dorsalis (hendel) and as attractive for ceratitis cap ...201022546461
capture probability of released males of two bactrocera species (diptera: tephritidae) in detection traps in california.the genus bactrocera (diptera: tephritidae) includes approximately 70 polyphagous species that are major pests of fruit and vegetable crops. most bactrocera species have limited geographic distributions, but several species are invasive, and many countries operate continuous trapping programs to detect infestations. in the united states, california maintains approximately 25,000 traps (baited with male lures) specifically for bactrocera detection distributed over an area of approximately 6,400 k ...201021309224
response of melon fly (diptera: tephritidae) to weathered splat-spinosad-cue-lure.studies were conducted in hawaii to measure attraction of male melon fly, bactrocera cucurbitae (coquillett) (diptera: tephritidae), to splat-cue-lure (c-l) and splat-melo-lure (m-l) (raspberry ketone formate). direct field comparisons of splat-c-l and splat-m-l at low (5%) and high (20%) concentrations indicated few differences in attraction over a 15-wk period. subsequently, only splat-spinosad-c-l (5%) was compared with min-u-gel c-l with naled (standard used in california) in weathering stud ...201021061958
macrogeographic population structuring in the cosmopolitan agricultural pest bactrocera cucurbitae (diptera: tephritidae).the macrogeographic population structure of the agricultural pest bactrocera cucurbitae (diptera: tephritidae) was investigated in order to identify the geographic origin of the species and reconstruct its range expansion. individuals of b. cucurbitae were collected from 25 worldwide-distributed localities (n = 570) and genotyped at 13 microsatellite loci. the bayesian clustering reveals that b. cucurbitae can be subdivided into five main groups corresponding to populations from (i) the african ...201020561200
effects of the juvenile hormone analogue methoprene and dietary protein on male melon fly bactrocera cucurbitae (diptera: tephritidae) mating success.the effect of access to dietary protein (p) and the topical application of a juvenile hormone analogue (methoprene (m)) on mating behaviour of male melon fly bactrocera cucurbitae was assessed in the laboratory and in field cages. age, dietary protein and methoprene application increased the mating success and influenced the mating behaviour. treatment with methoprene (m+) to protein-deprived (p-) males had only a modest effect on the acceleration of sexual maturity, but application of methopren ...201020438735
the clock gene cryptochrome of bactrocera cucurbitae (diptera: tephritidae) in strains with different mating times.differences in mating time between populations can give rise to premating reproductive isolation. tephritid fruit flies exhibit large variation in mating time among intra- or inter-specific populations. we previously cloned the clock gene period from two strains of melon fly, bactrocera cucurbitae; in one the individuals mate early during the day, whereas in the other the individuals mate later. these strains were originally established by divergent artificial selection for developmental time, ' ...201020010960
a compound produced by fruigivorous tephritidae (diptera) larvae promotes oviposition behavior by the biological control agent diachasmimorpha longicaudata (hymenoptera: braconidae).tephritid fruit fly parasitoids use fruit-derived chemical cues and the vibrations that result from larval movements to locate hosts sequestered inside fruit. however, compounds produced by the larvae themselves have not been previously described nor their significance to parasitoid foraging determined. we collected the volatiles from four species of tropical and subtropical tephritidae: anastrepha suspensa (loew), bactrocera dorsalis hendel, bactrocera cucurbitae coquillett, and ceratitis capit ...201122251652
generic phytosanitary radiation treatment for tephritid fruit flies provides quarantine security for bactrocera latifrons (diptera: tephritidae).bactrocera latifrons (hendel) (diptera: tephritidae) is a quarantine pest of several solanaceous crops and tropical fruits that are treated using irradiation before export from hawaii to the u.s. mainland. a dose of 150 gy is approved as a generic irradiation treatment for tephritid fruit flies, but no confirmation of efficacy has been reported for b. latifrons. dose response of b. latifrons was used to determine the most tolerant life stage and identify a dose that prevents adult emergence. dat ...201122066179
assessment of attractiveness of cassava as a roosting plant for the melon fly, bactrocera cucurbitae, and the oriental fruit fly, b. dorsalis.application of bait spray to crop borders is a standard approach for suppression of melon fly, bactrocera cucurbitae (coquillett) (diptera: tephritidae) populations and may also be of value for suppression of oriental fruit fly, b. dorsalis (hendel) populations. establishment of preferred roosting hosts as crop borders may help to improve suppression of both fruit fly species by providing sites for bait spray applications. in an area-wide b. cucurbitae suppression trial, the question was raised ...201121526935
response of ceratitis capitata, bactrocera dorsalis, and bactrocera cucurbitae (diptera: tephritidae) to metabolic stress disinfection and disinfestation treatment.metabolic stress disinfection and disinfestation (msdd) is a postharvest treatment designed to control pathogens and arthropod pests on commodities that combines short cycles of low pressure/vacuum and high co2 with ethanol vapor. experiments were conducted to evaluate the effect of msdd treatment on various life stages of ceratitis capitata (wiedemann), mediterranean fruit fly; bactrocera dorsalis hendel, oriental fruit fly; and bactrocera cucurbitae coquillett, melon fly, in petri dishes and i ...201121404842
microsatellite markers reveal population structure and low gene flow among collections of bactrocera cucurbitae (diptera: tephritidae) in asia.the melon fruit fly, bactrocera cucurbitae (coquillett) (diptera: tephritidae), is widespread agricultural pest, and it is known to have the potential to establish invasive populations in various tropical and subtropical areas. despite the economic risk associated with a putative stable presence of this fly, the population genetics of this pest have remained relatively unexplored in asia, the main area for distribution of this pest. the goals for this study were to employ nuclear markers to exam ...201121735930
host status of vaccinium reticulatum (ericaceae) to invasive tephritid fruit flies in hawaii.ohelo (vaccicinium reticulatum small) (ericaceae) is a native hawaiian plant that has commercial potential in hawaii as a nursery crop to be transplanted for berry production or for sale as a potted ornamental. no-choice infestation studies were conducted to determine whether ohelo fruit are hosts for four invasive tephritid fruit fly species. ohelo berries were exposed to gravid female flies ofbactrocera dorsalis hendel (oriental fruit fly), ceratitis capitata (wiedemann) (mediterranean fruit f ...201121510206
susceptibility of low-chill blueberry cultivars to mediterranean fruit fly, oriental fruit fly, and melon fly (diptera: tephritidae).no-choice tests were conducted to determine whether fruit of southern highbush blueberry, vaccinium corymbosum l., hybrids are hosts for three invasive tephritid fruit flies in hawaii. fruit of various blueberry cultivars was exposed to gravid female flies of bactrocera dorsalis hendel (oriental fruit fly), ceratitis capitata (wiedemann) (mediterranean fruit fly), or bactrocera cucurbitae coquillet (melon fly) in screen cages outdoors for 6 h and then held on sand in the laboratory for 2 wk for ...201121510205
a comparative assessment of the response of three fruit fly species (diptera: tephritidae) to a spinosad-based bait: effect of ammonium acetate, female age, and protein hunger.ammonia-releasing substances are known to play an important role in fruit fly (diptera: tephritidae) attraction to food sources, and this information has been exploited for the development of effective synthetic food-based lures and insecticidal baits. in field studies conducted in hawaii, we examined the behavioural response of wild female oriental fruit fly (bactrocera dorsalis (hendel)), melon fly (b. cucurbitae (coquillett)), and mediterranean fruit fly (ceratitis capitata (wiedemann)) to sp ...201120961468
field trials of solid triple lure (trimedlure, methyl eugenol, raspberry ketone, and ddvp) dispensers for detection and male annihilation of ceratitis capitata, bactrocera dorsalis, and bactrocera cucurbitae (diptera: tephritidae) in hawaii.solid mallet tmr (trimedlure [tml], methyl eugenol [me], raspberry ketone [rk]) wafers and mallet cmr (ceralure, me, rk, benzyl acetate) wafers impregnated with ddvp (2,2-dichlorovinyl dimethyl phosphate) insecticide were measured in traps as potential detection and male annihilation technique (mat) devices. comparisons were made with 1) liquid lure and insecticide formulations, 2) solid cones and plugs with an insecticidal strip, and 3) solid single and double lure wafers with ddvp for captures ...201223156150
regional suppression of bactrocera fruit flies (diptera: tephritidae) in the pacific through biological control and prospects for future introductions into other areas of the world.bactrocera fruit fly species are economically important throughout the pacific. the usda, ars u.s. pacific basin agricultural research center has been a world leader in promoting biological control of bactrocera spp. that includes classical, augmentative, conservation and ipm approaches. in hawaii, establishment of bactrocera cucurbitae (coquillett) in 1895 resulted in the introduction of the most successful parasitoid, psyttalia fletcheri (silvestri); similarly, establishment of bactrocera dors ...201226466626
resveratrol modifies tephritid fruit fly response to radiation but not nutritional stress.resveratrol (3,5,4'-trihydroxystilbene) is a polyphenol compound found in many plants and fruits that has antioxidant and radioprotective properties. two model invertebrates, bactrocera dorsalis (oriental fruit fly) and b. cucurbitae (melon fly) (diptera: tephritidae), were studied to determine if the addition of resveratrol to an artificial diet could modify their response to radiation and nutritional stress.201222145646
trap capture of three economically important fruit fly species (diptera: tephritidae): evaluation of a solid formulation containing multiple male lures in a hawaiian coffee field.invasive fruit flies (diptera: tephritidae) pose a global threat to agriculture through direct damage to food crops and the accompanying trade restrictions that often result. early detection is vital to controlling fruit flies, because it increases the probability of limiting the growth and spread of the invasive population and thus may greatly reduce the monetary costs required for eradication or suppression. male-specific lures are an important component of fruit fly detection, and three such ...201222928297
cage study of spinosad-based bait efficacy on bactrocera cucurbitae, dacus ciliatus, and dacus demmerezi (diptera: tephritidae) in reunion island.on reunion island, bactrocera cucurbitae (coquillett), dacus ciliatus (loew), and dacus demmerezi (bezzi) cause severe damage to cucurbit crops. the aim of the study was to test in field cages the effectiveness of synéis-appât (dow agrosciences), a spinosad-based bait (0.02% of spinosad) on both attraction and mortality of young adults (6-9 d old) of these three species. the effects of gender were also evaluated for all species whereas the effects of protein deprivation were tested with b. cucur ...201222928317
population genetic structure of the melon fly, bactrocera cucurbitae (coquillett) (diptera: tephritidae) based on mitochondrial cytochrome oxidase (coi) gene sequences.population genetic structure of melon fly analysed with mitochondrial cytochrome oxidase i gene suggested that melon fly populations across the globe is homogeneous with non-significant variation of 0.000-0.003 base substitutions per site. test isolates representing various geographic situations across the world were placed in 26 mitochondrial haplotypes based on variations associated with a maximum of three mutational steps and the predominant haplotype i.e. h1 was present in all melon fly popu ...201222660946
monitoring resistance to spinosad in the melon fly (bactrocera cucurbitae) in hawaii and taiwan.spinosad is a natural insecticide with desirable qualities, and it is widely used as an alternative to organophosphates for control of pests such as the melon fly, bactrocera cucurbitae (coquillett). to monitor the potential for development of resistance, information about the current levels of tolerance to spinosad in melon fly populations were established in this study. spinosad tolerance bioassays were conducted using both topical applications and feeding methods on flies from field populatio ...201222629193
species diversity within a community of the curcurbit fruit flies bactrocera cucurbitae, dacus ciliatus, and dacus demmerezi roosting in corn borders near cucurbit production areas of reunion island.in order to better control fruit flies (diptera: tephritidae) attacking cucurbitaceae on reunion island (21°6 s/ 55°36 e), biological characteristics (seasonal fluctuation, relative abundance, sex ratio) of communities roosting in corn borders were investigated. the study was conducted in austral summer across a range of altitudes (750-1150 m) corresponding to the main areas of cucurbit cropping. living adults were recorded roosting on corn planted within or around cucurbit fields. results showe ...201222958393
the complete mitochondrial genome of the melon fly bactrocera cucurbitae (diptera: tephritidae).the mitochondrial genome of bactrocera cucurbitae, a representative of the tephritid family, was completely sequenced for the first time. the b. cucurbitae genome is a double-stranded circular molecule of 15,825 bp long, including the entire set of the 37 genes. the 72.9% a+t content and 0.047 at-skew are within the range of the known dipteran genomes. comparative analyses showed that dipteran mitochondrial protein-coding genes present complex evolutionary patterns. some of the codon families we ...201322931686
genetic and cytogenetic characterization of genetic sexing strains of bactrocera dorsalis and bactrocera cucurbitae (diptera: tephritidae).in the current study, we performed genetic and cytogenetic analyses of two genetic sexing strains (gsss), one for bactrocera dorsalis s.s. and one for melon fly, bactrocera cucurbitae coquillett, the first such strains ever constructed in these species. in both strains, the genetic sexing mechanism is based on a pupal color dimorphism (white or brown) and is the result of a reciprocal translocation between the y chromosome and the autosome bearing the white pupae (wp) locus. based on genetic ana ...201323786092
effect of oxytetracycline and sulphanilamide on the reproductive organs and fecundity of melon fly, dacus cucurbitae coq. 20131233354
cold storage enhances the efficacy and margin of security in postharvest irradiation treatments against fruit flies (diptera: tephritidae).cold storage is used to preserve fruit quality after harvest during transportation in marketing channels. low temperature can be a stressor for insects that reduces survivorship, and cold storage may contribute to the efficacy of postharvest quarantine treatments such as irradiation against quarantine insect pests. the combined effect of irradiation and cold storage was examined in a radiation-tolerant fruit fly, bactrocera cucurbitae coquillet (melon fly), and a radiation-intolerant fruit fly, ...201324224244
influence of modified atmosphere packaging on radiation tolerance in the phytosanitary pest melon fly (diptera: tephritidae).modified atmosphere packaging (map) produces a low-oxygen (o2) environment that can increase produce shelf life by decreasing product respiration and growth of pathogens. however, low o2 is known to increase insect tolerance to irradiation, and the use of map with products treated by irradiation before export to control quarantine pests may inadvertently compromise treatment efficacy. melon fly, bactrocera cucurbitae coquillet (diptera: tephritidae), is an important economic and quarantine pest ...201324224242
population dynamics, distribution, and species diversity of fruit flies on cucurbits in kashmir valley, india.given the economic importance of cucurbits and the losses incurred by fruit fly infestation, the population dynamics of fruit flies in cucurbit crops and the influence of abiotic parameters, such as temperature, relative humidity, rainfall, and total sunshine hours per day on the fruit fly population were studied. the study was carried out at six locations; in district srinagar the locations were batmaloo, shalimar, and dal, while in district budgam the locations were chadoora, narkara, and buga ...201323906383
effects of diet and host access on fecundity and lifespan in two fruit fly species with different life history patterns.the reproductive ability of female tephritids can be limited and prevented by denying access to host plants and restricting the dietary precursors of vitellogenesis. the mechanisms underlying the delayed egg production in each case are initiated by different physiological processes that are anticipated to have dissimilar effects on lifespan and reproductive ability later in life. the egg laying abilities of laboratory reared females of the mediterranean fruit fly (ceratitis capitata wiedmann) an ...201323483775
genetic correlation between the pre-adult developmental period and locomotor activity rhythm in drosophila melanogaster.biological clocks regulate various behavioural and physiological traits; slower circadian clocks are expected to slow down the development, suggesting a potential genetic correlation between the developmental period and circadian rhythm. however, a correlation between natural genetic variations in the developmental period and circadian rhythm has only been found in bactrocera cucurbitae. the number of genetic factors that contribute to this genetic correlation is largely unclear. in this study, ...201323211793
purification of colocasia esculenta lectin and determination of its anti-insect potential towards bactrocera cucurbitae.the present study reports the purification of a lectin from colocasia esculenta (l.) schott corms and evaluation of its anti-insect potential towards bactrocera cucurbitae (coquilett). the lectin was found to be specific towards n-acetyl-d-lactosamine (lacnac), a disaccharide and asialofetuin, a desialylated serum glycoprotein in hemagglutination inhibition assay. asialofetuin was used as a ligand to purify colocasia esculenta agglutinin (cea) by affinity chromatography. the purity of cea was as ...201324006804
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