| combining cue-lure and methyl eugenol in traps significantly decreases catches of most bactrocera, zeugodacus and dacus species (diptera: tephritidae: dacinae) in australia and papua new guinea. | male fruit fly attractants, cue-lure (cl) and methyl eugenol (me), are important in the monitoring and control of pest fruit fly species. species respond to cl or me but not both, and there are conflicting reports on whether combining cl (or its hydroxy analogue raspberry ketone) and me decreases their attractiveness to different species. fruit fly monitoring programs expend significant effort using separate cl and me traps and avoiding lure cross-contamination, and combining the two lures in on ... | 2017 | 29272411 |
| using two-sex life tables to determine fitness parameters of four bactrocera species (diptera: tephritidae) reared on a semi-artificial diet. | fruit flies in the genus bactrocera are global, economically important pests of agricultural food crops. however, basic life history information about these pests, which is vital for designing more effective control methods, is currently lacking. artificial diets can be used as a suitable replacement for natural host plants for rearing fruit flies under laboratory conditions, and this study reports on the two-sex life-table parameters of four bactrocera species (bactrocera correcta, bactrocera d ... | 2017 | 28944746 |
| 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 ... | 1997 | 9336086 |
| 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 ... | 2012 | 22629193 |
| 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 ... | 2010 | 21309224 |
| identification of the ubiquitous antioxidant tripeptide glutathione as a fruit fly semiochemical. | many insects mark their oviposition sites with a host marking pheromone (hmp) to deter other females from overexploiting these sites. previous studies have identified and used hmps to manage certain fruit fly species; however, few are known for african indigenous fruit flies. the hmp of the african fruit fly, ceratitis cosyra, was identified as the ubiquitous plant and animal antioxidant tripeptide, glutathione (gsh). gsh was isolated from the aqueous extract of adult female fecal matter and cha ... | 2017 | 28911226 |
| an in vitro study of the non-specific esterases of the melon fly, dacus cucurbitae coq. and their reactions with organophosphate and carbamate compounds. | | 1976 | 8263 |
| effect of oxytetracycline and sulphanilamide on the reproductive organs and fecundity of melon fly, dacus cucurbitae coq. | | 2013 | 1233354 |
| polyteny and salivary gland secretion in the melon fly, dacus cucurbitae. | | 1972 | 5045175 |
| deuteration of the melon fly attractant, cue-lure, and its effect on olfactory response and infra-red absorption. | | 1968 | 5733972 |
| 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. | 1960 | 17808098 |
| chemical degradation of tmr multilure dispensers for fruit fly detection weathered under california climatic conditions. | degradation models for multilure fruit fly trap dispensers were analyzed to determine their potential for use in large california detection programs. solid three-component male lure tmr (trimedlure [tml], methyl eugenol [me], raspberry ketone [rk]) dispensers impregnated with ddvp (2, 2-dichlorovinyl dimethyl phosphate) insecticide placed inside jackson traps were weathered during summer (8 wk) and winter (12 wk) in five citrus-growing areas. additionally, tmr wafers without ddvp, but with an in ... | 2017 | 28854647 |
| 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 ... | 2010 | 20438735 |
| 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, ' ... | 2010 | 20010960 |
| 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 ... | 2006 | 16768816 |
| 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 ... | 2005 | 16334322 |
| 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 ... | 2004 | 15037096 |
| 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 ... | 2004 | 14651467 |
| 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 ... | 2002 | 12502263 |
| 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 ... | 2002 | 12495490 |
| a novel polysaccharide in insects activates the innate immune system in mouse macrophage raw264 cells. | a novel water-soluble polysaccharide was identified in the pupae of the melon fly (bactrocera cucurbitae) as a molecule that activates the mammalian innate immune response. we attempted to purify this innate immune activator using nitric oxide (no) production in mouse raw264 macrophages as an indicator of immunostimulatory activity. a novel acidic polysaccharide was identified, which we named "dipterose", with a molecular weight of 1.01 × 10(6) and comprising nine monosaccharides. dipterose was ... | 2014 | 25490773 |
| methoprene application and diet protein supplementation to male melon fly, bactrocera cucurbitae, modifies female remating behavior. | methoprene (an analogue of juvenile hormone) application and feeding on a protein diet is known to enhance male melon fly, bactrocera cucurbitae coquillett (diptera: tephritidae), mating success. in this study, we investigated the effect of these treatments on male b. cucurbitae's ability to inhibit female remating. while 14-d-old females were fed on protein diet, 6-d-old males were exposed to one of the following treatments: (i) topical application of methoprene and fed on a protein diet; (ii) ... | 2014 | 24376160 |
| 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 ... | 2009 | 19449631 |
| 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 ... | 2008 | 19297991 |
| 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 ... | 2009 | 19253638 |
| 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 ... | 2013 | 23786092 |
| 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 ... | 2012 | 22958393 |
| 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 ... | 2013 | 22931686 |
| 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 ... | 0 | 28025314 |
| 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 ... | 2002 | 11920139 |
| 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 ... | 1999 | 28565193 |
| 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 ... | 1997 | 16397642 |
| 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 ... | 2012 | 22928317 |
| 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 ... | 2012 | 22660946 |
| 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. | 1993 | 24249012 |
| 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 ... | 1991 | 24258641 |
| 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 ... | 2010 | 21061958 |
| 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 ... | 2010 | 20561200 |