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TEPHRITIDAE

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https://www.readbyqxmd.com/read/29029209/genetic-evidence-for-the-introduction-of-rhagoletis-pomonella-diptera-tephritidae-into-the-northwestern-united-states
#1
Sheina B Sim, Meredith M Doellman, Glen R Hood, Wee L Yee, Thomas H Q Powell, Dietmar Schwarz, Robert B Goughnour, Scott P Egan, Gilbert St Jean, James J Smith, Tracy E Arcella, Jason D K Dzurisin, Jeffrey L Feder
The apple maggot fly, Rhagoletis pomonella Walsh (Diptera: Tephritidae), is a serious quarantine pest in the apple-growing regions of central Washington and Oregon. The fly is believed to have been introduced into the Pacific Northwest via the transport of larval-infested apples near Portland, Oregon, within the last 40 yr. However, R. pomonella also attacks native black hawthorn, Crataegus douglasii Lindley (Rosales: Rosaceae), and introduced ornamental hawthorn, Crataegus monogyna Jacquin, in the region. It is, therefore, possible that R...
October 6, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/29029124/benzalkonium-chloride-provides-remarkable-stability-to-liquid-protein-lures-for-trapping-anastrepha-obliqua-diptera-tephritidae
#2
R Lasa, T Williams
Hydrolyzed protein lures are widely used to monitor fruit fly pests but are rapidly degraded by microbial activity and must be replaced frequently. To improve the stability of lures, the quaternary ammonium biocide, benzalkonium chloride (BC), was evaluated in mixtures with two hydrolyzed proteins commonly used to monitor Anastrepha spp. The mean number of Anastrepha obliqua adults captured during six consecutive weeks using Captor + borax with the addition of 240 mg BC/liter, not renewed during the test, was similar to Captor + borax that was replaced at weekly intervals and was more effective than Captor + borax without BC...
September 27, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/29029089/geostatistics-and-geographic-information-system-to-analyze-the-spatial-distribution-of-the-diversity-of-anastrepha-species-diptera-tephritidae-the-effect-of-forest-fragments-in-an-urban-area
#3
A G Garcia, M R Araujo, K Uramoto, J M M Walder, R A Zucchi
Fruit flies are among the most damaging insect pests of commercial fruit in Brazil. It is important to understand the landscape elements that may favor these flies. In the present study, spatial data from surveys of species of Anastrepha Schiner (Diptera: Tephritidae) in an urban area with forest fragments were analyzed, using geostatistics and Geographic Information System (GIS) to map the diversity of insects and evaluate how the forest fragments drive the spatial patterns. The results indicated a high diversity of species associated with large fragments, and a trend toward lower diversity in the more urbanized area, as the fragment sizes decreased...
September 23, 2017: Environmental Entomology
https://www.readbyqxmd.com/read/29029088/plant-herbivore-and-plant-pollinator-interactions-of-the-developing-perennial-oilseed-crop-silphium-integrifolium
#4
J R Prasifka, R E Mallinger, B S Hulke, S R Larson, D Van Tassel
Sampling in Kansas and North Dakota documented the plant-herbivore and plant-pollinator interactions of the developing perennial oilseed crop, Silphium integrifolium Michx. The larva of the tortricid moth, Eucosma giganteana (Riley), was the most damaging floret- and seed-feeding pest in Kansas, with infested heads producing ≈85% (2015) or ≈45% (2016) fewer seeds than apparently undamaged heads. Necrosis of apical meristems caused stunting and delayed bloom in Kansas; though the source of the necrosis is not known, observations of the tarnished plant bug, Lygus lineolaris (Palisot de Beauvois; Hemiptera: Miridae), in S...
September 23, 2017: Environmental Entomology
https://www.readbyqxmd.com/read/29028975/comparative-responses-of-rhagoletis-zephyria-and-rhagoletis-pomonella-diptera-tephritidae-to-commercial-and-experimental-sticky-traps-and-odors-in-washington-state
#5
Wee L Yee, Robert B Goughnour, Jeffrey L Feder, Charles E Linn, Dong H Cha
Rhagoletis zephyria Snow and Rhagoletis pomonella (Walsh) (Diptera: Tephritidae) are morphologically similar flies that attack white-colored snowberry fruit (Symphoricarpos spp.) and yellow/red or dark-colored apple/hawthorn fruit (Malus/Crataegus spp.), respectively. The two flies are caught together on traps in R. pomonella surveys in the western United States, increasing labor needed to process catches. Comparing responses of the two species with different traps could help identify best practices for reducing R...
September 23, 2017: Environmental Entomology
https://www.readbyqxmd.com/read/28944746/using-two-sex-life-tables-to-determine-fitness-parameters-of-four-bactrocera-species-diptera-tephritidae-reared-on-a-semi-artificial-diet
#6
W Jaleel, J Yin, D Wang, Y He, L Lu, H Shi
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 dorsalis, Bactrocera cucurbitae, and Bactrocera tau) reared on a semi-artificial diet comprising corn flour, banana, sodium benzoate, yeast, sucrose, winding paper, hydrochloric acid and water...
September 25, 2017: Bulletin of Entomological Research
https://www.readbyqxmd.com/read/28941794/evading-plant-defence-infestation-of-poisonous-milkweed-fruits-asclepiadaceae-by-the-fruit-fly-dacus-siliqualactis-diptera-tephritidae
#7
Michael Schneider, Cora Wunder, Esther Reuss, Stefan W Toennes, Dietrich Mebs
To cope with toxic metabolites plants use for defence, herbivorous insects employ various adaptive strategies. For oviposition, the fruit fly Dacus siliqualactis (Tephritidae) uses milkweed plants of the genus Gomphocarpus (Asclepiadaceae) by circumventing the plant's physical (gluey latex) and chemical (toxic cadenolides) defence. With its long, telescope-like ovipositor, the fly penetrates the exo- and endocarp of the fruit and places the eggs on the unripe seeds located in the centre of the fruit. Whereas most plant parts contain high concentrations of cardenolides such as gomphoside, calotropin/calacatin and gomphogenin, only the seeds exhibit low cardenolide levels...
September 21, 2017: Toxicon: Official Journal of the International Society on Toxinology
https://www.readbyqxmd.com/read/28931159/isolation-and-molecular-characterization-of-the-transformer-gene-from-bactrocera-cucurbitae-diptera-tephritidae
#8
Ya Luo, Santao Zhao, Jiahui Li, Peizheng Li, Rihui Yan
transformer (tra) is a switch gene of sex determination in many insects, particularly in Dipterans. However, the sex determination pathway in Bactrocera cucurbitae (Coquillett), a very destructive pest on earth, remains largely uncharacterized. In this study, we have isolated and characterized one female-specific and two male-specific transcripts of the tra gene (Bcutra) of B. cucurbitae. The genomic structure of Bcutra has been determined and the presence of multiple conserved Transformer (TRA)/TRA-2 binding sites in Bcutra has been found...
January 1, 2017: Journal of Insect Science
https://www.readbyqxmd.com/read/28929990/microbial-composition-affects-the-performance-of-an-artificial-tephritid-larval-diet
#9
P Rempoulakis, S Sela Saldinger, E Nemny-Lavy, R Pinto, A Birke, D Nestel
The present study investigated the patterns of microorganisms in an artificial larval diet during Dacus ciliatus (Diptera; Tephritidae) larval development. Microbial population contents in the diet of total heterotrophic bacteria, yeast and molds, coliform and lactobacilli, and their dynamics during development, were monitored. Initially, the microbial composition in diet trays failing to produce viable pupae and in trays successfully producing pupae and adult flies was characterized. The failing diet trays contained large populations of lactobacilli that increased during larval development, and low populations of coliforms...
September 20, 2017: Bulletin of Entomological Research
https://www.readbyqxmd.com/read/28904391/exposure-to-genetically-engineered-olive-fly-bactrocera-oleae-has-no-negative-impact-on-three-non-target-organisms
#10
Thea Marubbi, Clare Cassidy, Esther Miller, Martha Koukidou, Enca Martin-Rendon, Simon Warner, Augusto Loni, Camilla Beech
Bactrocera oleae (Diptera: Tephritidae) remains a major pest of olive fruit production worldwide. Current pest management programs largely depend on chemical insecticides, resulting in high economic and environmental costs. Alternative pest control approaches are therefore highly desirable. We have created a conditional female-specific self-limiting strain of B. oleae (OX3097D-Bol) that could be applied for sustainable pest control. OX3097D-Bol olive fly carries a fluorescent marker (DsRed2) for identification and a self-limiting genetic trait that is repressed by tetracycline...
September 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28890657/natural-field-infestation-of-mangifera-casturi-and-mangifera-lalijiwa-by-oriental-fruit-fly-bactrocera-dorsalis-diptera-tephritidae
#11
Grant T McQuate, Charmaine D Sylva, Nicanor J Liquido
Mango, Mangifera indica (Anacardiaceae), is a crop cultivated pantropically. There are, however, many other Mangifera spp ("mango relatives") which have much more restricted distributions and are poorly known but have potential to produce mango-like fruits in areas where mangoes do not grow well or could be tapped in mango breeding programs. Because of the restricted distribution of many of the Mangifera spp, there has also been limited data collected on susceptibility of their fruits to infestation by tephritid fruit flies which is important to know for concerns both for quality of production and for quarantine security of fruit exports...
2017: International Journal of Insect Science
https://www.readbyqxmd.com/read/28878684/ecdysis-triggering-hormone-signaling-eth-ethr-a-is-required-for-the-larva-larva-ecdysis-in-bactrocera-dorsalis-diptera-tephritidae
#12
Yan Shi, Hong-Bo Jiang, Shun-Hua Gui, Xiao-Qiang Liu, Yu-Xia Pei, Li Xu, Guy Smagghe, Jin-Jun Wang
Insects must undergo ecdysis for successful development and growth, and the ecdysis triggering hormone (ETH), released by the Inka cells, is a master hormone in this process. In this study, we determined the sequence of the ETH precursor and receptors in an agriculturally important pest insect, the oriental fruit fly Bactrocera dorsalis (Hendel). We identified two functionally distinct splice receptor isoforms: BdETH-R-A and BdETH-R-B, and when expressed in Chinese hamster ovary (CHO-WTA11) cells, they exhibited a high sensitivity to the two mature peptides BdETH1 and BdETH2...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28873446/epicuticular-chemistry-reinforces-the-new-taxonomic-classification-of-the-bactrocera-dorsalis-species-complex-diptera-tephritidae-dacinae
#13
Lucie Vaníčková, Radka Nagy, Antonio Pompeiano, Blanka Kalinová
Bactrocera invadens Drew, Tsuruta & White, Bactrocera papayae Drew & Hancock, and Bactrocera philippinensis Drew & Hancock, key pest species within the Bactrocera dorsalis species complex, have been recently synonymized under the name Bactrocera dorsalis (Hendel). The closely related Bactrocera carambolae Drew & Hancock remains as a discrete taxonomic entity. Although the synonymizations have been accepted by most researchers, debate about the species limits remains. Because of the economic importance of this group of taxa, any new information available to support or deny the synonymizations is valuable...
2017: PloS One
https://www.readbyqxmd.com/read/28854648/development-of-a-low-cost-and-effective-trapping-device-for-apple-maggot-fly-diptera-tephritidae-monitoring-and-control-in-mexican-commercial-hawthorn-groves
#14
E Tadeo, E Muñiz, J Rull, W L Yee, M Aluja, R Lasa
Few efforts have been made in Mexico to monitor Rhagoletis pomonella (Walsh) (Diptera: Tephritidae) in commercial hawthorn (Crataegus spp.) crops. Therefore, the main objectives of this study were to evaluate infestation levels of R. pomonella in feral and commercial Mexican hawthorn and to assess the efficacy of different trap-lure combinations to monitor the pest. Wild hawthorn was more infested than commercially grown hawthorn at the sample site. No differences among four commercial baits (Biolure, ammonium carbonate, CeraTrap, and Captor + borax) were detected when used in combination with a yellow sticky gel (SG) adherent trap under field conditions...
August 1, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28854644/effect-of-irradiation-doses-on-sterility-and-biological-security-in-a-genetically-modified-strain-of-the-mediterranean-fruit-fly-diptera-tephritidae
#15
Edwin Ramírez-Santos, Pedro Rendón, Lorena Ruiz-Montoya, Jorge Toledo, Pablo Liedo
The genetically modified strain of the Mediterranean fruit fly, Ceratitis capitata (Wiedemann) VIENNA 8 1260, was developed from the genetic sexing strain VIENNA 8. It has two molecular markers that exhibit red fluorescence in the body and green fluorescence in testis and sperm. These traits offer a precise tool to discriminate between mass-reared and wild males, increasing the effectiveness of sterile insect technique. The reproductive performance of the VIENNA 8 1260 and VIENNA 8 D53- (without the D53 inversion introduced to prevent recombination) was compared at different irradiation doses...
August 1, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28828237/characterisation-of-microsatellite-and-snp-markers-from-miseq-and-genotyping-by-sequencing-data-among-parapatric-urophora-cardui-tephritidae-populations
#16
Jes Johannesen, Armin G Fabritzek, Bettina Ebner, Sven-Ernö Bikar
Phylogeographic analyses of the gall fly Urophora cardui have in earlier studies based on allozymes and mtDNA identified small-scale, parapatrically diverged populations within an expanding Western Palearctic population. However, the low polymorphism of these markers prohibited an accurate delimitation of the evolutionary origin of the parapatric divergence. Urophora cardui from the Western Palearctic have been introduced into Canada as biological control agents of the host plant Cirsium arvense. Here, we characterise 12 microsatellite loci with hexa-, penta- and tetra-nucleotide repeat motifs and report a genotyping-by-sequencing SNP protocol...
2017: PeerJ
https://www.readbyqxmd.com/read/28814277/phenotypes-antioxidant-responses-and-gene-expression-changes-accompanying-a-sugar-only-diet-in-bactrocera-dorsalis-hendel-diptera-tephritidae
#17
Er-Hu Chen, Qiu-Li Hou, Dan-Dan Wei, Hong-Bo Jiang, Jin-Jun Wang
BACKGROUND: Diet composition (yeast:carbohydrate ratio) is an important determinant of growth, development, and reproduction. Recent studies have shown that decreased yeast intake elicits numerous transcriptomic changes and enhances somatic maintenance and lifespan, which in turn reduces reproduction in various insects. However, our understanding of the responses leading to a decrease in yeast ratio to 0% is limited. RESULTS: In the present study, we investigated the effects of a sugar-only diet (SD) on the gene expression patterns of the oriental fruit fly, Bactrocera dorsalis (Hendel), one of the most economically important pests in the family Tephritidae...
August 17, 2017: BMC Evolutionary Biology
https://www.readbyqxmd.com/read/28797083/the-transcriptional-response-to-the-olive-fruit-fly-bactrocera-oleae-reveals-extended-differences-between-tolerant-and-susceptible-olive-olea-europaea-l-varieties
#18
Filomena Grasso, Mariangela Coppola, Fabrizio Carbone, Luciana Baldoni, Fiammetta Alagna, Gaetano Perrotta, Antonio J Pérez-Pulido, Antonio Garonna, Paolo Facella, Loretta Daddiego, Loredana Lopez, Alessia Vitiello, Rosa Rao, Giandomenico Corrado
The olive fruit fly Bactrocera oleae (Diptera: Tephritidae) is the most devastating pest of cultivated olive (Olea europaea L.). Intraspecific variation in plant resistance to B. oleae has been described only at phenotypic level. In this work, we used a transcriptomic approach to study the molecular response to the olive fruit fly in two olive cultivars with contrasting level of susceptibility. Using next-generation pyrosequencing, we first generated a catalogue of more than 80,000 sequences expressed in drupes from approximately 700k reads...
2017: PloS One
https://www.readbyqxmd.com/read/28770058/changes-in-phytophagous-insect-host-ranges-following-the-invasion-of-their-community-long-term-data-for-fruit-flies
#19
Maud Charlery de la Masselière, Virginie Ravigné, Benoît Facon, Pierre Lefeuvre, François Massol, Serge Quilici, Pierre-François Duyck
The invasion of an established community by new species can trigger changes in community structure. Invasions often occur in phytophagous insect communities, the dynamics of which are driven by the structure of the host assemblage and the presence of competitors. In this study, we investigated how a community established through successive invasions changed over time, taking the last invasion as the reference. The community included four generalist and four specialist species of Tephritidae fruit flies. We analyzed a long-term database recording observed numbers of flies per fruit for each species on 36 host plants, over 18 years, from 1991 to 2009...
July 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28758818/genetic-characterization-of-bactrocera-fruit-flies-diptera-tephritidae-from-northeastern-india-based-on-dna-barcodes
#20
Arpana Manger, G T Behere, D M Firake, Bhagawati Sharma, N A Deshmukh, P D Firake, N S Azad Thakur, S V Ngachan
The Northeastern region of India, one of the mega biodiversity hot spots has enormous potential for the production of fruits and vegetables. Fruit flies of the genus Bactrocera Macquart are important pests of fruits and vegetables, and one of the limiting factors in successful production of these commodities. The relationship among some of the species is unclear due to their high molecular and morphological similarities. Moreover, due to the significant morphological resemblance between fruit fly species, reliable identification is very difficult task...
July 31, 2017: Mitochondrial DNA. Part A. DNA Mapping, Sequencing, and Analysis
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