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TEPHRITIDAE

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https://www.readbyqxmd.com/read/28512316/phenotypic-plasticity-trade-offs-and-gene-expression-changes-accompanying-dietary-restriction-and-switches-in-bactrocera-dorsalis-hendel-diptera-tephritidae
#1
Er-Hu Chen, Qiu-Li Hou, Dan-Dan Wei, Hong-Bo Jiang, Jin-Jun Wang
In this study, we investigated the effects of dietary restriction (DR) and variable diets on phenotypes and gene expression in oriental fruit fly, Bactrocera dorsalis (Hendel), one of the most economically important pests in the family Tephritidae around the world. As expected, we found that DR altered the B. dorsalis phenotypes by significantly increasing stress resistance and lifespan, but reduced egg production when compared with the control diet. The results suggested a trade-off between reproduction versus somatic maintenance (stress resistance) and lifespan in B...
May 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28486631/comparative-efficacy-of-insecticides-on-bactrocera-tryoni-and-zeugodacus-cucumis-diptera-tephritidae-in-laboratory-and-semifield-trials-in-fruiting-vegetables
#2
L J Senior, B P Missenden, C Wright
In-field management of Bactrocera tryoni (Froggatt) and Zeugodacus cucumis (French) (Diptera: Tephritidae) in fruiting vegetable crops has relied almost exclusively on organophosphate cover sprays. Laboratory and semifield trials were performed to compare a number of alternative insecticides for efficacy against these species. A novel semifield method was used whereby the insecticides were applied to crops as cover sprays under field conditions, and treated plants bearing fruit were transferred to large cages and exposed to fruit flies...
May 9, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28486404/efficacy-of-chemicals-for-the-potential-management-of-the-queensland-fruit-fly-bactrocera-tryoni-froggatt-diptera-tephritidae
#3
Olivia L Reynolds, Terrence J Osborne, Idris Barchia
This study investigated alternative in-field chemical controls against Bactrocera tryoni (Froggatt). Bioassay 1 tested the mortality of adults exposed to fruit and filter paper dipped in insecticide, and the topical application of insecticide to adults/fruit. Bioassay 2 measured the mortality of adults permitted to oviposit on fruit dipped in insecticide and aged 0, 1, 3, or 5 days, plus the production of offspring. Bioassay 3 tested infested fruit sprayed with insecticide. The field bioassay trialed the mortality of adults exposed to one- and five-day insecticide residues on peaches, and subsequent offspring...
May 9, 2017: Insects
https://www.readbyqxmd.com/read/28474328/biology-and-thermal-requirements-of-fopius-arisanus-sonan-1932-hymenoptera-braconidae-reared-on-ceratitis-capitata-eggs-wiedemann-diptera-tephritidae
#4
M Z Groth, A E Loeck, S D Nornberg, D Bernardi, D E Nava
Fopius arisanus (Sonan) is a solitary parasitoid of eggs and the first instar larvae of Tephritidae. Due to the occurrence of Ceratitis capitata (Wiedemann) in various regions and under several climatic conditions, this study aimed to evaluate the effect of different temperatures on the embryonic development (egg-adult) and determine thermal requirements and the number of annual generations F. arisanus on eggs of C. capitata. In the laboratory, eggs of C. capitata (24 h) were submitted to parasitism of F. arisanus during 6 h...
May 4, 2017: Neotropical Entomology
https://www.readbyqxmd.com/read/28444314/cold-disinfestation-of-hass-avocado-persia-americana-of-three-species-of-fruit-fly-diptera-tephritidae-ceratitis-capitata-ceratitis-rosa-and-ceratitis-cosyra
#5
A B Ware, C L N du Toit
The avocado industry is important in South Africa, but access to certain markets is impeded by the presence of phytosanitary pests. One of the ways of securing entry to these markets is to demonstrate that a mitigating treatment will result in there being a negligible chance of accidental importation. In cold treatment comparative studies at 0 °C and 2 °C of immature stages of Ceratitis capitata (Wiedemann), Ceratitis rosa Karsch, and Ceratitis cosyra (Walker) in "Hass" avocado, the third instar of C...
April 21, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28382881/effects-of-superparasitism-on-immature-and-adult-stages-of-diachasmimorpha-longicaudata-ashmead-hymenoptera-braconidae-reared-on-ceratitis-capitata-wiedemann-diptera-tephritidae
#6
F Devescovi, G E Bachmann, A L Nussenbaum, M M Viscarret, J L Cladera, D F Segura
The optimal use of available host by parasitoid insects should be favoured by natural selection. For solitary parasitoids, superparasitism (i.e. the egg-laying of several eggs/host) may represent a detrimental phenomenon both in a biological and an applied sense, but under certain circumstances it may be adaptive. Here, we studied the effects of increasing levels of superparasitism (LSPs, number of parasitoid larvae/host) on fitness-related parameters of the immature and adult stages of Diachasmimorpha longicaudata, a solitary endoparasitoid parasitizing Ceratitis capitata...
April 6, 2017: Bulletin of Entomological Research
https://www.readbyqxmd.com/read/28382747/mass-trapping-is-as-effective-as-ground-bait-sprays-for-the-control-of-anastrepha-diptera-tephritidae-fruit-flies-in-mango-orchards
#7
Jorge Villalobos, Salvador Flores, Pablo Liedo, Edi A Malo
BACKGROUND: Anastrepha fruit flies are considered one of the main phytosanitary problems for the fresh fruit industry in the USA, Caribbean islands and Latin America. Since 1994, the Mexican government implemented the National Fruit Fly Program using an area-wide integrated pest management approach. In this paper, we evaluated the effectiveness of mass trapping and compared it with ground GF-120 spraying against Anastrepha obliqua and Anastrepha ludens populations in mango cv Ataulfo orchards...
April 5, 2017: Pest Management Science
https://www.readbyqxmd.com/read/28380069/vision-mediated-exploitation-of-a-novel-host-plant-by-a-tephritid-fruit-fly
#8
Jaime C Piñero, Steven K Souder, Roger I Vargas
Shortly after its introduction into the Hawaiian Islands around 1895, the polyphagous, invasive fruit fly Bactrocera (Zeugodacus) cucurbitae (Coquillett) (Diptera: Tephritidae) was provided the opportunity to expand its host range to include a novel host, papaya (Carica papaya). It has been documented that female B. cucurbitae rely strongly on vision to locate host fruit. Given that the papaya fruit is visually conspicuous in the papaya agro-ecosystem, we hypothesized that female B. cucurbitae used vision as the main sensory modality to find and exploit the novel host fruit...
2017: PloS One
https://www.readbyqxmd.com/read/28374545/identification-of-walnut-husk-juglans-regia-l-volatiles-and-the-behavioral-response-of-the-invasive-walnut-husk-fly-rhagoletis-completa-cresson
#9
Landry Sarles, Antoine Boullis, Bérénice Fassotte, Georges Lognay, Agnès Verhaeghe, Frédéric Francis, François J Verheggen
BACKGROUND: Several European countries are important walnut (Juglans regia L.) producers. However, these countries must contend with the recent introduction of the Walnut Husk Fly, Rhagoletis completa Cresson (Diptera, Tephritidae), which is causing severe economic losses, especially in organic production. Because most Tephritid fruit flies use kairomones in their search for host plants, we hypothesize that this highly specialist species orients toward the volatile blend released by walnut husks...
April 3, 2017: Pest Management Science
https://www.readbyqxmd.com/read/28369322/impact-of-prolonged-absence-of-low-temperature-on-adult-eclosion-patterns-of-western-cherry-fruit-fly-diptera-tephritidae
#10
Lisa G Neven, Wee L Yee
Western cherry fruit fly, Rhagoletis indifferens (Curran) (Diptera: Tephritidae), is a serious pest of cherries (Prunus spp.) in the Pacific Northwest of the United States. Previous research suggests that R. indifferens is unlikely to establish in commercial cherry production areas in California and in tropical export markets because cold temperatures, below 5 °C, in those regions appear insufficient to complete diapause. However, it is unclear how prolonged absence of cold exposure affects diapause termination in R...
March 25, 2017: Environmental Entomology
https://www.readbyqxmd.com/read/28334323/interspecific-competition-between-ceratitis-capitata-and-two-bactrocera-spp-diptera-tephritidae-evaluated-via-adult-behavioral-interference-under-laboratory-conditions
#11
Hui Liu, Can Zhang, Bo-Hua Hou, Ge-Cheng Ou-Yang, Jun Ma
The Mediterranean fruit fly, Ceratitis capitata (Wiedemann), is considered one of the most invasive tephritid species. It has spread and established populations successfully throughout many of the tropical temperate regions, partially owing to the increase in global trading activity that facilitates diffusion of species. However, C. capitata has never been detected in China, even though some areas of the country have favorable climate and ample food resources. Historically, some researchers have hypothesized that the principal reasons for its absence are the defenses mounted by native Bactrocera species against C...
March 15, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28334322/evaluation-of-food-lures-for-capture-and-monitoring-of-anastrepha-fraterculus-diptera-tephritidae-on-temperate-fruit-trees
#12
J M da Rosa, C J Arioli, J P Dos Santos, A C Menezes-Netto, M Botton
The Anastrepha fraterculus (Wiedemann) (Diptera: Tephritidae) is the main pest of fruit trees grown in temperate climates in the southern region of Brazil. The objective of this work was to evaluate the efficiency of the major commercial food lures used in Brazil for trapping and monitoring of A. fraterculus in plum, pear, and feijoa orchards. The assessed lures were hydrolyzed proteins of animal origin (CeraTrap) and plant origin (BioAnastrepha), torula yeast + borax (Torula), and grape juice. Response variables included the rate of adult capture (flies per trap per day, FTD) and the percentage of females captured...
March 16, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28276307/insecticidal-activity-of-a-moroccan-strain-of-streptomyces-phaeochromogenes-ld-37-on-larvae-pupae-and-adults-of-the-mediterranean-fruit-fly-ceratitis-capitata-diptera-tephritidae
#13
S E Samri, M Baz, I Ghalbane, S El Messoussi, A Zitouni, A El Meziane, M Barakate
The Mediterranean fruit fly (medfly), Ceratitis capitata, is considered the most important fruit pest worldwide. Its management is mainly based on the use of chemical insecticides. Although these conventional pesticides are effective at high doses, they cause considerable human health and environment problems. Thus, the aim of this study was to assess insecticidal activity of Moroccan actinobacteria against C. capitata. A total of 12 preselected actinobacteria isolated from various Moroccan habitats were screened for their insecticidal activity against larvae, pupae and adults of C...
April 2017: Bulletin of Entomological Research
https://www.readbyqxmd.com/read/28273402/insecticidal-activity-of-the-leaf-essential-oil-of-peperomia-borbonensis-miq-piperaceae-and-its-major-components-against-the-melon-fly-bactrocera-cucurbitae-diptera-tephritidae
#14
Emmanuelle Dorla, Anne Bialecki, Zoé Deuscher, Agathe Allibert, Isabelle Grondin, Jean-Philippe Deguine, Philippe Laurent
The essential oil from leaves of Peperomia borbonensis from Réunion Island was obtained by hydrodistillation and characterized using GC-FID, GC-MS and NMR. The main components were myristicin (39.5%) and elemicin (26.6%). The essential oil (EO) of Peperomia borbonensis and its major compounds (myristicin and elemicin), pure or in a mixture, were evaluated for their insecticidal activity against Bactrocera cucurbitae (Diptera: Tephritidae) using a filter paper impregnated bioassay. The concentrations necessary to kill 50% (LC50 ) and 90% (LC90 ) of the flies in three hours were determined...
March 8, 2017: Chemistry & Biodiversity
https://www.readbyqxmd.com/read/28261106/a-role-of-corazonin-receptor-in-larval-pupal-transition-and-pupariation-in-the-oriental-fruit-fly-bactrocera-dorsalis-hendel-diptera-tephritidae
#15
Qiu-Li Hou, Hong-Bo Jiang, Shun-Hua Gui, Er-Hu Chen, Dan-Dan Wei, Hui-Min Li, Jin-Jun Wang, Guy Smagghe
Corazonin (Crz) is a neuropeptide hormone, but also a neuropeptide modulator that is internally released within the CNS, and it has a widespread distribution in insects with diverse physiological functions. Here, we identified and cloned the cDNAs of Bactrocera dorsalis that encode Crz and its receptor CrzR. Mature BdCrz has 11 residues with a unique Ser(11) substitution (instead of the typical Asn) and a His in the evolutionary variable position 7. The BdCrzR cDNA encodes a putative protein of 608 amino acids with 7 putative transmembrane domains, typical for the structure of G-protein-coupled receptors...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28217884/male-age-and-strain-affect-ejaculate-quality-in-the-mexican-fruit-fly
#16
Mariana Herrera-Cruz, Solana Abraham, Nicolas Nuñez-Beverido, Norma Flores-Estévez, Martha Reyes-Hernández, Mayvi Alvarado, Diana Pérez-Staples
Aging in all organisms is inevitable. Male age can have profound effects on mating success and female reproduction, yet relatively little is known on the effects of male age on different components of the ejaculate. Furthermore, in mass-reared insects used for the Sterile Insect Technique, there are often behavioral differences between mass-reared and wild males, while differences in the ejaculate have been less studied. The ejaculate in insects is composed mainly of sperm and accessory gland proteins. Here, we studied how male age and strain affected (i) protein quantity of testes and accessory glands, (ii) the biological activity of accessory gland products injected into females, (iii) sperm viability and (iv) sperm quantity stored by females in wild and mass-reared Anastrepha ludens (Diptera: Tephritidae)...
February 19, 2017: Insect Science
https://www.readbyqxmd.com/read/28187831/functional-analysis-of-five-trypsin-like-protease-genes-in-the-oriental-fruit-fly-bactrocera-dorsalis-diptera-tephritidae
#17
Ya-Li Li, Ming-Zhe Hou, Guang-Mao Shen, Xue-Ping Lu, Zhe Wang, Fu-Xian Jia, Jin-Jun Wang, Wei Dou
Insect midgut proteases catalyze the release of free amino acids from dietary proteins and are essential for insect normal development. To date, digestive proteases as potential candidates have made great progress in pest control. To clarify the function of trypsin-like protease genes in the digestive system of Bactrocera dorsalis, a serious pest of a wide range of tropical and subtropical fruit and vegetable crops, five trypsin genes (BdTry1, BdTry2, BdTry3, BdTry4 and BdTry5) were identified from transcriptome dataset, and the effects of feeding condition on their expression levels were examined subsequently...
March 2017: Pesticide Biochemistry and Physiology
https://www.readbyqxmd.com/read/28187679/revision-of-i-terellia-i-i-amberboae-i-group-of-species-diptera-tephritidae
#18
Ebrahim Zarghani, Samad Khaghaninia, Saeed Mohamadzade Namin, Valery A Korneyev
Terellia barughii new species from Tabriz (East Azerbaijan Province) and T. babaki new species from Qazvin Province (Iran) are described and figured, and Terellia amberboae V. Korneyev & Merz, 1996 is redescribed. A new species group is established, host plant and phylogenetic relationships are briefly discussed, and a key to species is provided.
January 16, 2017: Zootaxa
https://www.readbyqxmd.com/read/28187595/the-fruit-flies-diptera-tephritidae-described-by-theodor-becker-from-iran-and-western-china-revisited-in-the-collections-of-the-zoological-institute-saint-petersburg-and-museum-f%C3%A3-r-naturkunde-berlin
#19
Severyn V Korneyev, Valery A Korneyev
The type specimens of fruit flies described by Dr. Theodor Becker based on material collected in China (Xinjiang and Xizang) and Iran by Russian expeditions directed by Petr Kozlov and Mykola Zarudny are listed and figured. They are deposited in the collection of the Zoological Institute of Russian Academy of Sciences, Saint Petersburg with some duplicates in the Museum für Naturkunde, Berlin. Current concepts of the species, their morphological characters (illustrated by photographs of type specimens), current condition, and nomenclature are discussed...
January 31, 2017: Zootaxa
https://www.readbyqxmd.com/read/28183133/a-new-species-of-i-gastrozona-i-bezzi-diptera-tephritidae-dacinae-gastrozonini-with-an-updated-key-to-species-from-india
#20
K J David, D L Hancock
Gastrozona nigrifemur sp. nov., is described from India. Postabdominal structures of G. fasciventris (both male and female), G. soror (female) and G. montana (male) are described and illustrated. An updated key to Indian species of Gastrozona is provided.
January 3, 2017: Zootaxa
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