| behavioural role of individual components of a multichemical attractant system in the oriental fruit moth. | | 1975 | 1110778 |
| adaptation of antennal neurons in moths is associated with cessation of pheromone-mediated upwind flight. | a wind-borne plume of sex pheromone from a female moth or a synthetic source has a fine, filamentous structure that creates steep and rapid fluctuations in concentration for a male moth flying up the plume's axis. the firing rates from single antennal neurons on agrotis segetum antennae decreased to nearly zero within seconds after the antennae were placed in a pheromone plume 70 cm downwind of a high-concentration source known from previous studies to cause in-flight arrestment of upwind progre ... | 1988 | 3200859 |
| small proportion of opposite geometric isomer increases potency of synthetic pheromone of oriental fruit moth. | | 1973 | 4516376 |
| new mimics of the acetate function in pheromone-based attraction. | several analogues of (z)-8-dodecenyl acetate (1a), the major pheromone component of the oriental fruit moth, cydia molesta, with chloroformate and lactone functional groups in place of the acetate moiety, were synthesized and investigated for their biological activity at four evaluation levels, i.e. by electroantennography (eag), electrosensillography (esg), short-range sexual stimulation and activation in the flight-tunnel. we found very strict requirements on the shape as well as on the electr ... | 1996 | 8733630 |
| controlled release of insect sex pheromones from paraffin wax and emulsions. | paraffin wax and aqueous paraffin emulsions can be used as controlled release carriers for insect sex pheromones for mating disruption of orchard pests. paraffin can be applied at ambient temperature as an aqueous emulsion, adheres to tree bark or foliage, releases pheromone for an extended period of time, and will slowly erode from bark and biodegrade in soil. pheromone emulsions can be applied with simple spray equipment. pheromone release-rates from paraffin were measured in laboratory flow-c ... | 1999 | 9895411 |
| host status of fresh prunes by potential quarantine pests in laboratory tests and evaluation of packinghouse culls. | the status of fresh prunes, prunus domestica l., as a host for codling moth, cydia pomonella (l.) (lepidoptera: tortricidae); peach twig borer, anarsia lineatella zeller (lepidoptera: gelechiidae); omnivorous leafroller, platynota stultana walshingham (lepidoptera: tortricidae); oriental fruit moth, grapholita molesta (busck) (lepidoptera: tortricidae); navel orangeworm, amyelois transitella (walker) (lepidoptera: pyralidae); and walnut husk fly, rhagoletis completa cresson (diptera: tephritidae ... | 1999 | 10333755 |
| laboratory rearing of lesser appleworm (lepidoptera: tortricidae). | the lesser appleworm, cydia prunivora (walsh), was reared successfully in the laboratory. larvae of various instars were collected in the field from hawthorn fruit, crataegus spp. initially, immature apples served as the food source for the larvae in the laboratory. rearing was conducted in a greenhouse and later in combination with a controlled environment room at 25 degrees c, 50-60% rh, and a photoperiod of 18:6 (l:d) h. under these conditions, a generation required approximately 30 d. fifty- ... | 2000 | 10902366 |
| susceptibility of male oriental fruit moth (lepidoptera: tortricidae) populations from new jersey apple orchards to azinphosmethyl. | toxicological responses to azinphosmethyl of male oriental fruit moth, grapholita molesta (busck), from five commercial orchards in which control failures had occurred were examined for azinphosmethyl resistance and for potential resistance mechanisms by using topical pheromone trap bioassay and compared with a reference population that had no history of control failure and had received little selection pressure. the 1998 field survey indicated moderate level of resistance to azinphosmethyl (2.7 ... | 2001 | 11233119 |
| integrated control of oriental fruit moth (lepidoptera: tortricidae) in peach orchards using insecticide and mating disruption. | the efficacy of an integrated and a conventional oriental fruit moth, grapholita molesta (busck), control program was compared using 4-ha blocks of peach at three niagara peninsula farms during 1997-1999. in the integrated program, chlorpyrifos was used to control first-generation larvae and mating disruption using isomate m100 pheromone dispensers was used to control the second and third generations. in the conventional program, chlorpyrifos was used to control first-generation larvae and pyret ... | 2001 | 11332842 |
| sex-related response to organophosphorus and carbamate insecticides in adult oriental fruit moth, grapholita molesta. | during the development of a resistance-monitoring bioassay that uses males as the life-stage tested, the relationship of adult female and male susceptibility of grapholita molesta to different classes of insecticides was investigated. preliminary results indicated that more males survived diagnostic doses of azinphos-methyl than females. additional research revealed that, although the body mass of adult male g molesta was only 69% of that of female moths (5.67 and 8.20 mg, respectively), their l ... | 2001 | 11561408 |
| sex-related differences in the tolerance of oriental fruit moth (grapholita molesta) to organophosphate insecticides. | in vivo toxicity assays have shown that organophosphate insecticides are less toxic to male than to female oriental fruit moths grapholita molesta. while male moths have higher levels of acetylcholinesterase and general esterase activities, female moth acetylcholinesterase enzymes are less sensitive to aromatic and aliphatic organophosphates than male enzymes. elevated esterase and acetylcholinesterase activities in male moths explain their greater tolerance to aromatic and aliphatic organophosp ... | 2001 | 11561409 |
| development and implementation of a reduced risk peach arthropod management program in new jersey. | we implemented a 2-yr program to reduce organophosphorus and carbamate insecticide use and mitigate their associated risks as they relate to peach production in new jersey and elsewhere. the main thrust integrated mating disruption with ground cover management practices to reduce oriental fruit moth, grapholita molesta (busck) (lepidoptera: tortricidae), and tarnished plant bug, lygus lineolaris (palisot de beauvois) (heteroptera: miridae), abundance and damage. this reduced risk peach arthropod ... | 2002 | 12216824 |
| comparative activity of baculoviruses against the codling moth cydia pomonella and three other tortricid pests of tree fruit. | the granulovirus of cydia pomonella (l.) (cpgv) offers potential for selective control of codling moth. two major limitations of cpgv are its narrow host range and lack of persistence in the orchard agroecosystem. the nucleopolyhedroviruses of the alfalfa looper autographa californica (speyer) (acmnpv) and those of the celery looper anagrapha falcifera (kirby) (afmnpv) have broad host ranges. comparative assays of cpgv, acmnpv, and afmnpv against codling moth neonate larvae revealed a 54-93-fold ... | 2002 | 12234544 |
| sorption and degradation characteristics of phosmet in two contrasting australian soils. | the organophosphate insecticide phosmet [phosphorodithioic acid, s-((1,3-dihydro-1,3-dioxo-2h-isoindol-2yl)methyl), o,o-dimethyl ester] is used to control red-legged earth mites (halotydeus destructor), lucerne flea (sminthurus viridis), and oriental fruit moth (cydia molesta) in horticulture and vegetable growing. this study was undertaken with two soils of contrasting properties to determine the extent to which sorption and degradation of the insecticide might influence its potential to leach ... | 2002 | 12371180 |
| comparison of microcapsule density with various apple tissues and formulations of oriental fruit moth (lepidoptera: tortricidae) sprayable pheromone. | the density of microcapsules was compared on 'golden delicious' mature and immature foliage, fruit, and 1-yr-old limbs after dip treatments with phase iii oriental fruit moth, grapholita molesta (busck), microencapsulated pheromone. microcapsules were counted with a dissecting microscope at 50x magnification after apple tissues were treated with a two-step dye staining process to increase the visibility of the microcapsules. the number of phase iii microcapsules on 1-yr limbs treated with a fiel ... | 2003 | 12650345 |
| response of female cydia molesta (lepidoptera: tortricidae) to plant derived volatiles. | peach shoot volatiles were attractive to mated female oriental fruit moth, cydia molesta (busck), in a dual choice arena. no preference was observed between leaf odours from the principle host plant, peach, and the secondary host plant, apple. twenty-two compounds were identified in headspace volatiles of peach shoots using gas chromatography-mass spectrometry. green leaf volatiles accounted for more than 50% of the total emitted volatiles. a bioassay-assisted fractionation using different sorbe ... | 2003 | 12908919 |
| management of insecticide resistance in oriental fruit moth (grapholita molesta; lepidoptera: tortricidae) populations from ontario. | the development of resistance in the oriental fruit moth, grapholita molesta (busck) to organophosphorus (op) insecticides (azinphos-methyl and phosmet) is a serious threat to the tender fruit industry in ontario (50% crop losses in 1994). resistance to carbamate insecticides and increased survival of field-collected moths at diagnostic concentrations of pyrethroids were widespread. as a result, four different treatment regimes were tested to manage resistance in g molesta, and the changes in re ... | 2003 | 12916773 |
| comparison of a sprayable pheromone formulation and two hand-applied pheromone dispensers foruse in the integrated control of oriental fruit moth (lepidoptera: tortricidae). | the efficacy of integrated programs using a sprayable pheromone formulation or one of two hand-applied pheromone dispensers, and a conventional oriental fruit moth, grapholita molesta (busck) (lepidoptera: tortricidae) control program, was compared using 4-5-ha blocks of peach orchard at three niagara peninsula farms during 2000-2002. in the integrated programs, chlorpyrifos and mating disruption with 3m sprayable pheromone, isomate ofm rosso, or rak 5 hand-applied dispensers were used to contro ... | 2004 | 15154471 |
| impact of peach extrafloral nectar on key biological characteristics of trichogramma minutum (hymenoptera: trichogrammatidae). | this study investigated the longevity, fecundity, and host feeding of a wild and a commercially reared strain of trichogramma minutum riley (hymenoptera: trichogrammatidae) when presented with peach extrafloral nectar. both the wild and commercial t. minutum strains lived longer and parasitized more grapholita molesta (busck) eggs when provided peach extrafloral nectar and water than when provided only water. nectar-fed wild and commercially reared females lived 11.6 and 9.9 d and produced 105.2 ... | 2004 | 15279254 |
| ionizing irradiation quarantine treatment against oriental fruit moth (lepidoptera: tortricidae) in ambient and hypoxic atmospheres. | oriental fruit moth, grapholita molesta (busck), is a pest of many rosaceous temperate fruits, including pomes, malus spp., and stone fruits, prunus spp., in much of the world. however, some areas are free of the pest, and shipments of fruit hosts from infested to noninfested areas may be regulated. current quarantine treatments for oriental fruit moth include methyl bromide fumigation and cold storage for several weeks. methyl bromide use is being restricted because it is a stratospheric ozone- ... | 2004 | 15279260 |
| toxicity and residual activity of methoxyfenozide and tebufenozide to codling moth (lepidoptera: tortricidae) and oriental fruit moth (lepidoptera: tortricidae). | a series of studies were conducted to examine the residual activity and toxicity of the ecdysone agonists tebufenozide and methoxyfenozide to codling moth, cydia pomonella (l.), and oriental fruit moth, grapholita molesta (busck), in north carolina apple systems. methoxyfenozide exhibited greater activity than tebufenozide against codling moth eggs in dose-response bioassays, with a 4.5- and 5.3-fold lower lc50 value to eggs laid on fruit treated before or after oviposition, respectively. orient ... | 2004 | 15384347 |
| oriental fruit moth (lepidoptera: tortricidae) phenology and management with methoxyfenozide in north carolina apples. | the phenology of oriental fruit moth, grapholita molesta (busck), on apple (malus spp.) in north carolina was studied using pheromone traps and egg sampling in abandoned and commercial orchards in 2000 and 2001, with subsequent development of an oviposition degree-day model and management studies in relation to codling moth, cydia pomonella (l.), phenology. oriental fruit moth eggs were found in greater numbers on leaves early and on fruit later in the growing season, on the top versus the botto ... | 2004 | 15384348 |
| evaluation of hydrophobic and hydrophilic kaolin particle films for peach crop, arthropod and disease management. | hydrophobic and/or hydrophilic kaolin particle film treatments to peach (prunus persica (l) batsch) trees were evaluated for crop and pest management capabilities in six studies from 1997 to 2000. unsprayed control and standard treatments, the latter consisting of a commercial pesticide program, were included for comparison. treatments in initial studies were applied via handgun, which resulted in a uniform and heavy deposit of kaolin after the first application. in contrast, treatments in subse ... | 2005 | 15593071 |
| dna diagnostics to identify internal feeders (lepidoptera: tortricidae) of pome fruits of quarantine importance. | a diagnostic polymerase chain reaction (pcr) method is presented for differentiating among the north american internal apple-feeding pests codling moth, cydia pomonella (l.); oriental fruit moth, grapholita molesta (busck); lesser appleworm, grapholita prunivora (walsh); and cherry fruitworm, grapholita packardi zeller. an approximately 470-bp fragment of mitochondrial cytochrome oxidase subunit i (coi) was sequenced in three to six specimens of each species. consistent and diagnostic difference ... | 2005 | 15889717 |
| male oriental fruit moth response to a combined pheromone-based attracticide formulation targeting both oriental fruit moth and codling moth (lepidoptera: tortricidae). | combined attracticide formulations targeting oriental fruit moth, grapholita molesta (busck), and codling moth, cydia pomonella (l.), were tested in a field trapping experiment. capture of male codling moths in traps baited with the combined formulation was reduced compared with traps baited with the codling moth formulation alone, whereas capture of male oriental fruit moth was increased compared with traps baited with the oriental fruit moth formulation alone. subsequent wind tunnel experiment ... | 2005 | 15889719 |
| effects of exposure to pheromone and insecticide constituents of an attracticide formulation on reproductive behavior of oriental fruit moth (lepidoptera: tortricidae). | the effect of exposure to both the pheromone and insecticide constituents of an attracticide formulation on subsequent pheromonal response of male oriental fruit moth, grapholita molesta (busck) (lepidoptera: tortricidae), was tested in several wind tunnel bioassays. male response to the attracticide formulation was significantly reduced in all behavioral categories, including source contact 1 h after sublethal exposure (both by voluntary contact in the wind tunnel and forced application in the ... | 2005 | 15889721 |
| assessment of sublethal effects of methoxyfenozide on oriental fruit moth (lepidoptera: tortricidae). | sublethal effects of the insect growth regulator methoxyfenozide were examined in oriental fruit moth, grapholita molesta (busck), in laboratory and field studies. in laboratory studies, oriental fruit moth larvae reared on diet amended with 0.1 ppm methoxyfenozide developed at the same rate as larvae reared on untreated diet, and paired moths reared as larvae from the same treated or untreated diets exhibited similar fecundity and fertility. population growth differences over multiple generatio ... | 2005 | 16022304 |
| comparison of mating disruption with pesticides for management of oriental fruit moth (lepidoptera: tortricidae) in north carolina apple orchards. | the efficacy of mating disruption by using isomate-m 100 pheromone dispensers and two formulations of microencapsulated sprayable pheromone for management of oriental fruit moth, grapholita molesta (busck), was compared with conventional insecticides in large plot studies in henderson county, north carolina, in 2000 and 2001. in addition, experiments were conducted in small and large plots to test the response of oriental fruit moth males to different application rates of sprayable pheromone. ph ... | 2005 | 16156578 |
| small plot trials documenting effective mating disruption of oriental fruit moth by using high densities of wax-drop pheromone dispensers. | in 2004 field experiments, we compared the effectiveness of various deployment densities of 0.1-ml paraffin wax drops containing 5% pheromone versus isomate m-rosso "rope" dispensers for disruption of grapholita molesta (busck). treatments were evaluated in 0.05-ha (12-tree) plots of 'delicious' apples receiving regular maintenance according to growers' standards, but not sprayed with insecticides. the application densities of 0.1-ml wax drops were 3 per tree (820/ha), 10 per tree (2,700/ha), 30 ... | 2005 | 16156580 |
| seasonal and cultivar-associated variation in oviposition preference of oriental fruit moth (lepidoptera: tortricidae) adults and feeding behavior of neonate larvae in apples. | the oriental fruit moth, grapholita molesta (busck) (lepidoptera: tortricidae) has become a pest of tree fruits since its introduction to the united states in the early twentieth century. oriental fruit moth has historically been a major pest problem in peach production, and outbreaks in commercial apple (malus spp.) orchards in the eastern united states were rare until the late 1990s. recent outbreaks in mid-atlantic apple orchards have lead researchers to investigate host-associated effects on ... | 2006 | 16686132 |
| effects of orchard host plants on the oviposition preference of the oriental fruit moth (lepidoptera: tortricidae). | recently, the oriental fruit moth, grapholita molesta (busck) (lepidoptera: tortricidae), has emerged as a major problem on apples (malus spp.) grown in the mid-atlantic and midwestern united states, despite its historically important and frequent occurrence as a peach (prunus spp.) pest. it is possible that host-driven biological phenomena may be contributing to changes in g. molesta population dynamics resulting in outbreaks in apple. studies were designed to examine the effects of host plants ... | 2006 | 16937670 |
| comparative survival rates of oriental fruit moth (lepidoptera: tortricidae) larvae on shoots and fruit of apple and peach. | studies were designed to examine the effects of host plants on oriental fruit moth, grapholita molesta (busck) (lepidoptera: tortricidae), survival. g. molesta larval survival in the orchard was comparable between apple (malus spp.) and peach (prunus spp.) shoots, indicating that both host species can harbor large larval populations during the early season. g. molesta larvae used multiple shoots for feeding and development on peaches but usually only damaged single shoots in apple. survival diff ... | 2006 | 16937685 |
| confirmation and efficacy tests against codling moth and oriental fruit moth in peaches and nectarines using combination heat and controlled atmosphere treatments. | two high-temperature, forced air treatments under controlled atmosphere conditions, called catts for controlled atmosphere/temperature treatment system, were developed for control of all life stages of codling moth, cydia pomonella (l.), and oriental fruit moth, grapholita molesta (busck), infesting peaches and nectarines (both prunus spp.). these treatments were used in efficacy and confirmation tests to kill > 5,000 fourth instar oriental fruit moths and > 30,000 fourth instar codling moths wi ... | 2006 | 17066790 |
| confirmation and efficacy tests against codling moth and oriental fruit moth in apples using combination heat and controlled atmosphere treatments. | codling moth, cydia pomonella (l.), and oriental fruit moth, grapholita molesta (busck), are serious pests of apples (malus spp.) grown in the united states and other countries. in countries where these species are not found, there are strict quarantine restrictions in place to prevent their accidental introduction. the treatment used in this study consisted of hot, forced, moist air with a linear heating rate of 12 degrees c/h to a final chamber temperature of 46 degrees c under a 1% oxygen and ... | 2006 | 17066791 |
| mechanized applicator for large-scale field deployment of paraffin-wax dispensers of pheromone for mating disruption in tree fruit. | a tractor-mounted mechanized applicator was developed for large-scale deployment of paraffin-wax dispensers of pheromone for mating disruption of oriental fruit moth, grapholita molesta (busck). the wax formulation was mostly water and emulsified paraffin wax containing 5% (by weight) pheromone [93:6:1 blend of (z)-8-dodecen-1-yl-acetate:(e)-8-dodecen-1-yl-acetate: (z)-8-dodecen-1-ol]. ten milliliters of wax was applied per tree as approximately 160 deposits (0.04 ml of wax per drop). an average ... | 2006 | 17066802 |
| sprayable microencapsulated sex pheromone formulation for mating disruption of oriental fruit moth (lepidoptera: tortricidae) in australian peach and pear orchards. | areawide mating disruption treatments have been effective in controlling infestation of oriental fruit moth, grapholita molesta (busck) (lepidoptera: tortricidae), in australian pome and stone fruit orchards. although successful, the areawide mating disruption program has been an expensive approach by using hand-applied isomate dispensers. sprayable microencapsulated (mec) pheromone formulations that can be applied with standard spray equipment could substantially reduce the cost of application. ... | 2006 | 17195672 |
| how two different host species influence the performance of a gregarious parasitoid: host size is not equal to host quality. | 1. hyssopus pallidus askew (hymenoptera, eulophidae) is a gregarious ectoparasitoid of the two tortricid moths species cydia molesta busck and c. pomonella l. (lepidoptera, tortricidae). it paralyses and parasitizes different larval instars of both species inside the apple fruit, which leads to the death of the caterpillar. 2. we assessed the influence of host species characteristics and host food on the performance of the parasitoid female in terms of clutch size decisions and fitness of the f( ... | 2007 | 17302845 |
| sublethal exposure to methoxyfenozide-treated surfaces reduces the attractiveness and responsiveness in adult oriental fruit moth (lepidoptera: tortricidae). | the chemical communication (female attractiveness and male responsiveness) of adult oriental fruit moth, grapholita molesta (busck) (lepidoptera: tortricidae), exposed to surfaces treated with the ecdysteroid agonist methoxyfenozide for 48 h were investigated in two laboratory wind tunnel assays. the recapture assay examined the ability of treated males to orient to a single cage of treated females, and the data gathered were mean percentage of males recaptured per treatment. the male sexual beh ... | 2007 | 17370812 |
| leaf extrafloral nectaries enhance biological control of a key economic pest, grapholita molesta (lepidoptera: tortricidae), in peach (rosales: rosaceae). | extrafloral nectaries (efns) in many plant species produce sugary secretions that commonly attract ants. this research determined the impact of peach (prunus persica l. batsch) efns on the biological control of the oriental fruit moth, grapholita molesta (busck) (lepidoptera: tortricidae), a key economic pest in peach orchards, and studied interactions of efns and ants. studies (2002-2005) in peach orchards of the mid-atlantic united states showed that 'lovell' peach trees with efns supported mo ... | 2007 | 17445373 |
| effects of orchard host plants (apple and peach) on development of oriental fruit moth (lepidoptera: tortricidae). | studies were designed to examine the effects of host plants (apple, malus domestica borkh., and peach, prunus persica l.) on the development of oriental fruit moth, grapholita molesta (busck) (lepidoptera: tortricidae). oriental fruit moth larvae developed faster on peach than on apple, both on fruit as well as on growing terminal shoots. on fruit, these differences were shown to cause significant changes in both the rate (approximately 20-60 degree-days earlier emergence on peach than on apple) ... | 2007 | 17461067 |
| development and evaluation of an emulsified paraffin wax dispenser for season-long mating disruption of grapholita molesta in commercial peach orchards. | the university of california at davis patented the use of emulsified wax to release pheromones for mating disruption. advantages of these dispensers include low cost, self-adhesion, and biodegradation. we compared the efficacy and practicality of confuse-ofm, a commercial emulsified wax formulation of oriental fruit moth, grapiholita molesta (busck), pheromone with those of check-mate ofm-f sprayable pheromone and isomate-m 100 polyethylene tube dispensers in commercial peach (prunus spp.) orcha ... | 2007 | 17849885 |
| sprayable microencapsulated sex pheromone formulations for mating disruption of four tortricid species: effects of application height, rate, frequency, and sticker adjuvant. | several application parameters of microencapsulated (mec) sex pheromone formulations were manipulated to determine their impact on efficacy of disruption for codling moth, cydia pomonella (l.); oriental fruit moth, grapholita molesta (busck); obliquebanded leafroller, choristoneura rosaceana (harris); and redbanded leafroller, argyrotaenia velutinana (walker). depending on the experiment, the formulations evaluated were those formerly manufactured by 3m canada (london, on, canada) or those that ... | 2007 | 17849890 |
| synergistic behavioral responses of female oriental fruit moths (lepidoptera:tortricidae) to synthetic host plant-derived mixtures are mirrored by odor-evoked calcium activity in their antennal lobes. | attraction of many gravid female herbivore insects to suitable host plants is mediated largely by olfactory cues. behaviorally, synergism among odor mixtures constituents underlies this attraction in some systems. yet, the representation of synergistic odor-mixture effects is unknown in the antennal lobe, the first processing center for olfactory information in insect brains. using both behavioral and physiological data we demonstrate that in the oriental fruit moth, cydia (grapholita) molesta, ... | 2008 | 17997410 |
| oriental fruit moth control with ddt and parathion. | | 1949 | 18127421 |
| some aspects of the distribution of larval parasites of the oriental fruit moth in ohio. | | 1949 | 18132291 |
| control of cydia pomonella l. and cydia molesta (busck) (lepidoptera tortricidae) in pome-fruit orchards with ecodian sex pheromone dispensers. | a mating disruption approach using high densities of pheromone dispensers, has been recently proposed for codling moth, cydia pomonella (l.), and oriental fruit moth, cydia molesta (busck.), (lepidoptera tortricidae), control. ecodian star dispensers, made of low-cost biodegradable material and easy to apply, were formulated with 10 mg of codlemone (e8,e10-12oh) and 10 mg of grapamone (z8-12oh) and placed at a rate of 1,400-2,000 dispensers/ha. the pheromone release rates from new and field aged ... | 2007 | 18399485 |
| toxicity of emamectin benzoate to cydia pomonella (l.) and cydia molesta (busck) (lepidoptera: tortricidae): laboratory and field tests. | emamectin benzoate is a novel macrocyclic lactone insecticide derived from naturally occurring avermectin molecules isolated by fermentation from the soil microorganism streptomyces avermitilis kim & goodfellow. the present study aims to evaluate the toxicity of emamectin benzoate to codling moth, cydia pomonella (l.), and oriental fruit moth, c. molesta (busck), under laboratory and semi-field conditions. | 2009 | 19097022 |
| efficacy and release rate of reservoir pheromone dispensers for simultaneous mating disruption of codling moth and oriental fruit moth (lepidoptera: tortricidae). | five formulations of controlled release, polyethylene tube dispensers of pheromone were evaluated during three field seasons for disruption of codling moth, cydia pomonella (l.) (lepidoptera: tortricidae), and the oriental fruit moth, grapholita molesta (busck) (lepidoptera: tortricidae). evaluations were conducted in replicated 4-ha plots of commercial apple in michigan. disruption of both c. pomonella and g. molesta male orientation to pheromone traps in plots treated with a dual-species formu ... | 2009 | 19253651 |
| control of the oriental fruit moth, grapholita molesta, using entomopathogenic nematodes in laboratory and fruit bin assays. | the oriental fruit moth (ofm), grapholita molesta (busck), which is among the most important insect pests of peaches and nectarines, has developed resistance to a wide range of insecticides. we investigated the ability of the entomopathogenic nematodes (epn) steinernema carpocapsae (weiser), s. feltiae (filipjev), s. riobrave (cabanillas et al.), and heterorhabditis marelatus (liu and berry) to control ofm under laboratory and fruit bin conditions. at a dosage of 10 infective juveniles (ij)/cm(2 ... | 2006 | 19259443 |
| three-dimensional antennal lobe atlas of the oriental fruit moth, cydia molesta (busck) (lepidoptera: tortricidae): comparison of male and female glomerular organization. | the oriental fruit moth cydia molesta is an important pest and the behavioural role of olfactory signals such as pheromones and plant volatiles have been studied extensively in both sexes. to understand odour processing further, however, detailed knowledge of the anatomy of the olfactory system is crucial. in the present study, an atlas of the antennal lobe (al) is presented based on the three-dimensional reconstructions of both als of three male and three female brains by means of neuroanatomic ... | 2009 | 19649654 |
| population genetic structure of economically important tortricidae (lepidoptera) in south africa: a comparative analysis. | comparative studies of the population genetic structures of agricultural pests can elucidate the factors by which their population levels are affected, which is useful for designing pest management programs. this approach was used to provide insight into the six tortricidae of major economic importance in south africa. the population genetic structure of the carnation worm e. acerbella and the false codling moth t. leucotreta, analyzed using amplified fragment length polymorphism (aflp) analysis ... | 2010 | 19941674 |
| reliable and efficient discrimination of four internal fruit-feeding cydia and grapholita species (lepidoptera: tortricidae) by polymerase chain reaction-restriction fragment length polymorphism. | the fruit pests cydia pomonella (l.), grapholita molesta (busck), grapholita funebrana treitschke, and grapholita lobarzewskii nowicki (all lepidoptera: tortricidae) are sympatric in europe, and some of them are expanding their distribution range worldwide by continuous invasion into new areas. identification of the small larvae by morphological characters and damage symptoms is difficult, and many misidentifications among these tortricids of the tribe grapholitini are reported. in the current s ... | 2009 | 20069850 |
| relationship between behavior and physiology in an invasive pest species: oviposition site selection and temperature-dependent development of the oriental fruit moth (lepidoptera: tortricidae). | oviposition site selection is crucial for the reproductive success of a herbivore insect species with relatively sedentary larvae. the optimal oviposition theory, i.e., the preference-performance hypothesis, has thus far mainly been tested with a focus on nutritional quality of the host. this study investigates whether female oriental fruit moth grapholita (cydia) molesta choose a microhabitat for oviposition characterized by a temperature range within which their offspring perform best. thermal ... | 2010 | 20388288 |
| differences in the relationship between sensory adaptation of antennae and concentration of aerial pheromone in the oriental fruit moth and obliquebanded leafroller (lepidoptera: tortricidae): implications for the role of adaptation in sex pheromone-mediated mating disruption of these species. | the antennae of grapholita molesta (busck) are more susceptible to sex pheromone-induced sensory adaptation than the antennae of choristoneura rosaceana (harris). adaptation is detectable in g. molesta at 1/1,000th the aerial concentration of pheromone (i.e., 5.0 x 10(-7) ng z8-12:oac/ml air) that is required to induce detectable adaptation in c. rosaceana (i.e., 5.0 x 10(-4) ng z11-14:oac/ml air). in addition, the predicted concentration of pheromone required to induce 50% adaptation in g. mole ... | 2010 | 20388296 |
| structured populations of the oriental fruit moth in an agricultural ecosystem. | intercontinental trade has led to multiple introductions of invasive pest species at a global scale. molecular analyses of the structure of populations support the understanding of ecological strategies and evolutionary patterns that promote successful biological invasions. the oriental fruit moth, grapholita (= cydia) molesta, is a cosmopolitan and economically destructive pest of stone and pome fruits, expanding its distribution range concomitantly with global climate warming. we used ten newl ... | 2010 | 20561191 |
| [effect of endogenous factors on the chemical perception of grapholita molesta (busck) (lepidoptera: tortricidae) to sex pheromone]. | the oriental fruit moth, grapholita molesta (busck), stands out as one of the most important pest in rosaceae orchards in brazil. during feeding, caterpillars bore into shoots, branches and fruits, impairing the commercial production. this work aimed to study the effect of endogenous factors in the chemical perception and in the species chemotactic behavior, seeking to optimize monitoring and the behavioral control of this pest. we evaluated male electroantennographical (eag) and chemotactical ( ... | 2010 | 20676504 |
| behavioral and neurophysiological responses of an insect to changing ratios of constituents in host plant-derived volatile mixtures. | ratios of compounds in host plant odors fluctuate with the phenological stage of the plant. in the present study, we investigated the effect of changing ratios of host plant volatile constituents on herbivore insect attraction and olfactory information processing. we tested a synthetic mixture of bioactive peach shoot volatiles with different concentrations of one of the mixture constituents, benzonitrile, on oriental fruit moth cydia (=grapholita) molesta females. y-tube olfactometer bioassays ... | 2010 | 20833933 |
| effect of varying dispenser point source density on mating disruption of grapholita molesta (lepidoptera: tortricidae). | hand-applied dispensers are successfully used in mating disruption programs, but cost of labor to apply these dispensers limits their adoption. creating hand-applied dispensers that release larger amounts of pheromone and that can be applied at lower densities per hectare could reduce the cost of mating disruption and increase its use. the effect of reducing the number of point sources per hectare while keeping the amount of pheromone applied per hectare constant on the success of grapholita mol ... | 2010 | 20857740 |
| ddt and ryanex to control oriental fruit moth; their effect upon parasite populations. | | 1946 | 20983170 |
| factors inducing diapause in the oriental fruit moth. | | 1945 | 21008235 |
| susceptibility of oriental fruit moth (lepidoptera: tortricidae) larvae to selected reduced-risk insecticides. | to determine their baseline susceptibility to chlorantraniliprole, spinetoram, spinosad, and acetamiprid, oriental fruit moth, grapholita molesta (busck) (lepidoptera: tortricidae), neonates were placed on diet cubes containing a range of concentrations of each insecticide. mortality was assessed after 96 h. two populations-a long-term laboratory colony from rutgers university and a colony established in 2007 from a southwestern illinois (calhoun county) field population-were tested. we used pro ... | 2010 | 21061985 |
| ordinary glomeruli in the antennal lobe of male and female tortricid moth grapholita molesta (busck) (lepidoptera: tortricidae) process sex pheromone and host-plant volatiles. | both sexes of grapholita molesta, a key pest of stone fruits, are able to detect host-plant volatiles and the sex pheromone emitted by females, and to modify their behaviour accordingly. how olfactory information is processed in the central nervous system is unknown. intracellular recordings and stainings were used to characterize antennal lobe (al) neuron responses to single pheromone components, a behaviourally active blend of five peach volatiles and a pear-fruit ester. al neurons with differ ... | 2011 | 21270313 |
| tools for resistance monitoring in oriental fruit moth (lepidoptera: tortricidae) and first assessment in brazilian populations. | in southern brazilian apple (malus spp.) orchards, predominantly organophosphates are used to control the oriental fruit moth, cydia molesta (busck) (lepidoptera: tortricidae), but control failures often occur. therefore the susceptibility of three c. molesta brazilian populations was investigated to five insecticides of different groups and modes of action, in comparison with a susceptible laboratory strain mass reared in southern france for >10 yr. at the same time, comparative biochemical and ... | 2011 | 21510216 |
| cross-amplification of microsatellites from the codling moth cydia pomonella to three other species of the tribe grapholitini (lepidoptera: tortricidae). | this study examined cross-species amplification of 33 microsatellite markers, previously developed for cydia pomonella, in three related fruit moth species of the same tribe (grapholitini), namely grapholita molesta, grapholita funebrana and grapholita lobarzewskii. eight microsatellite loci yielded polymorphic products for g. molesta, nine for g. funebrana and 11 for g. lobarzewskii. at all these loci, the number of alleles ranged between four and 11 in g. molesta, and between four and nine in ... | 2010 | 21565113 |
| the complete mitochondrial genome of the oriental fruit moth grapholita molesta (busck) (lepidoptera: tortricidae). | the oriental fruit moth, grapholita molesta (busck) (lepidoptera: tortricidae) currently is one of the economically most destructive pest species of stone and pome fruits worldwide. here we sequenced the complete mitochondrial genome of this pest. this genome is 15,776 bp long, with an a + t content of 81.24%, containing 37 typical animal mitochondrial genes and an a + t-rich region. all gene are arranged as hypothesized ancestral gene order of insects except for trnm, which was shuffled fr ... | 2011 | 21670960 |
| susceptibility of oriental fruit moth (lepidoptera: tortricidae) to two pyrethroids and a proposed diagnostic dose of esfenvalerate for field detection of resistance. | laboratory colonies of oriental fruit moth, grapholita molesta (busck) (lepidoptera: tortricidae), were reared on 'gala' apples (malus pumila mill.) and lima bean (phaseolus lunatus l.) diet. neonates were placed on wheat germ diet containing a range of concentrations of esfenvalerate or lambda-cyhalothrin; mortality was assessed after 96 h. for a long-term laboratory colony, lc50 values of esfenvalerate and lambda-cyhalothrin were 0.35 and 0.12 ppm, respectively, for progeny of insects reared o ... | 2011 | 21735926 |
| Ability of the oriental fruit moth Grapholita molesta (Lepidoptera: Tortricidae) to detoxify juglone, the main secondary metabolite of the non-host plant walnut. | Many plant species produce toxic secondary metabolites that limit attacks by herbivorous insects, and may thereby constrain insect expansion to new hosts. Walnut is a host for the codling moth Cydia pomonella, which efficiently detoxifies the main walnut defensive compound juglone (5-hydroxy-1,4-naphthoquinone). The oriental fruit moth Grapholita molesta, which also belongs to the tribe Grapholitini, does not feed on walnut. We tested the performance of G. molesta, a highly invasive species, on ... | 2011 | 21901444 |
| oviposition behavior of grapholita molesta busck (lepidoptera: tortricidae) at different temperatures. | cultivation of temperate-climate fruits is economically important for brazil. grapholita molesta busck is a pest that causes damage to apples, peaches, plums, and pears growing in different micro-regions of southern brazil, and understanding its reproductive behavior is essential to develop control strategies. the objective of this study was to ascertain the influence of different temperatures (13, 16, 19, 22, and 25ºc) on the oviposition behavior of g. molesta. females of g. molesta were placed ... | 2011 | 21952955 |
| diapause initiation and alterations in the life cycle of grapholita molesta (busck) (lepidoptera: tortricidae) as induced by photoperiodic conditions. | grapholita molesta (busck) is one of the major pests of rosaceae, causing significant damage to buds and fruits. in southern brazil, its population density is reduced during rosaceae dormancy months. the present study evaluated the influence of different photoperiods (l:d) (10:14, 11:13, 12:12, 13:11, 14:10 and 16:8) at 25 ± 1ºc and 60 ± 10% rh on diapause induction of g. molesta eggs, larvae, prepupae, and pupae. the effects of the photoperiod on the life cycle of non-diapausing insects and on ... | 2011 | 22068937 |
| Interactions Between Extrafloral Nectaries, Ants (Hymenoptera: Formicidae), and Other Natural Enemies Affect Biological Control of Grapholita molesta (Lepidoptera: Tortricidae) on Peach (Rosales: Rosaceae). | Extrafloral nectaries (EFNs) are reported to benefit some plants when ants (Hymenoptera: Formicidae) use their secretions and fend off herbivores, but in some cases resulting competitive interactions may reduce biological control of specific herbivores. This research examined the interactions between ants and other natural enemies associated with the EFNs of peach [Prunus persica (L.) Batcsh] and the implications for biological control of a key pest, the oriental fruit moth [Grapholita molesta ... | 2011 | 22182610 |
| life stage toxicity and residual activity of insecticides to codling moth and oriental fruit moth (lepidoptera: tortricidae). | the codling moth, cydia pomonella (l.), and oriental fruit moth, grapholita molesta (busck), are two key pests of apple (malus domestica borkh.) in north carolina. growers extensively relied on organophosphate insecticides, primarily azinphosmethyl, for > 40 yr to manage these pests. because of organophosphate resistance development and regulatory actions, growers are transitioning to management programs that use new, reduced-risk, and op-replacement insecticides. this study evaluated the toxici ... | 2011 | 22299357 |
| sexual behavior of grapholita molesta and choristoneura rosaceana (lepidoptera: tortricidae) in a flight tunnel after prolonged exposure to the aerial concentration of pheromone previously measured in orchards treated with pheromone for mating disruption. | sexual behavior of male moths after prolonged exposure to the 1-ng pheromone/m(3) air previously measured in orchards treated with pheromone for mating disruption was examined in a flight tunnel. the exposure of grapholita molesta (busck) to 1-ng (z)-8-dodecen-1-yl acetate (z8-12:oac)/m(3) air for 15 min had no effect on their ability to fly upwind to a conspecific, virgin calling female. after 30 min of exposure, males exposed to a control treatment were 1.4× more likely orient to a female than ... | 2012 | 23321096 |