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Difference between revisions of "Environmental Entomology (2008) 37, 764-773"
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− | | | + | |External link=http://dx.doi.org/10.1603/0046-225X%282008%2937%5B764%3APCCHBF%5D2.0.CO%3B2 |
|Publication abstract=The larval parasitoid, ''Psyttalia'' cf. ''concolor'' (Szépligeti), reared on Mediterranean fruit fly, ''Ceratitis capitata'' (Weidemann), by the USDA-APHIS-PPQ, Guatemala City, Guatemala, was imported into California for biological control of olive fruit fly, ''Bactrocera oleae'' (Gmelin), in olives, ''Olea europaea'' L. Mean percentage parasitism of olive fruit fly third instars infesting fruit in field cages ranged from 7.0 in Grapevine to 59.7 in Santa Barbara and in free releases ranged from 0 in Grapevine to 10.6 in Santa Barbara after 4- to 6-d exposures. In the laboratory, more parasitoids developed to adults in olive fruit fly larvae that were 11-13 d old than in larvae 8-10 d old. Adult parasitoids lived significantly longer when provided with water than adults without water in environmental chambers at 5°C, 85% RH; 15°C, 65% RH; 25°C, 25% RH; and 35°C, 25% RH. Adult parasitoids lived for 48 d with honey for food and water and 32 d with food and sugar solution at 15°C and 65% RH. Survival of adult parasitoids without food and water in greenhouse tests was ~4 d in a simulated coastal climate and 1 d in a simulated inland valley climate and was significantly increased by providing food and water. The parasitoid did not develop in the beneficial seedhead fly, ''Chaetorellia succinea'' (Costa), in yellow star thistle. The rate of parasitism of walnut husk fly, ''Rhagoletis completa'' Cresson, larvae in green walnut husks was 28.4% in laboratory no-choice tests. In choice tests, the rate of parasitism of walnut husk fly versus olive fruit fly larvae in olives was 11.5 and 24.2%, respectively. | |Publication abstract=The larval parasitoid, ''Psyttalia'' cf. ''concolor'' (Szépligeti), reared on Mediterranean fruit fly, ''Ceratitis capitata'' (Weidemann), by the USDA-APHIS-PPQ, Guatemala City, Guatemala, was imported into California for biological control of olive fruit fly, ''Bactrocera oleae'' (Gmelin), in olives, ''Olea europaea'' L. Mean percentage parasitism of olive fruit fly third instars infesting fruit in field cages ranged from 7.0 in Grapevine to 59.7 in Santa Barbara and in free releases ranged from 0 in Grapevine to 10.6 in Santa Barbara after 4- to 6-d exposures. In the laboratory, more parasitoids developed to adults in olive fruit fly larvae that were 11-13 d old than in larvae 8-10 d old. Adult parasitoids lived significantly longer when provided with water than adults without water in environmental chambers at 5°C, 85% RH; 15°C, 65% RH; 25°C, 25% RH; and 35°C, 25% RH. Adult parasitoids lived for 48 d with honey for food and water and 32 d with food and sugar solution at 15°C and 65% RH. Survival of adult parasitoids without food and water in greenhouse tests was ~4 d in a simulated coastal climate and 1 d in a simulated inland valley climate and was significantly increased by providing food and water. The parasitoid did not develop in the beneficial seedhead fly, ''Chaetorellia succinea'' (Costa), in yellow star thistle. The rate of parasitism of walnut husk fly, ''Rhagoletis completa'' Cresson, larvae in green walnut husks was 28.4% in laboratory no-choice tests. In choice tests, the rate of parasitism of walnut husk fly versus olive fruit fly larvae in olives was 11.5 and 24.2%, respectively. | ||
|AbstractCC=Yes | |AbstractCC=Yes | ||
+ | |AuthorsAbstract=No | ||
|Research topic=biocontrol - natural enemies | |Research topic=biocontrol - natural enemies | ||
|Benf research=classical biocontrol/new introduction | |Benf research=classical biocontrol/new introduction |
Latest revision as of 06:32, 25 July 2014
Victoria Y. Yokoyama, Pedro A. Rendón and John Sivinski (2008)
Psyttalia cf. concolor (Hymenoptera: Braconidae) for biological control of olive fruit fly (Diptera: Tephritidae) in California
Environmental Entomology 37 (3), 764-773
Abstract: The larval parasitoid, Psyttalia cf. concolor (Szépligeti), reared on Mediterranean fruit fly, Ceratitis capitata (Weidemann), by the USDA-APHIS-PPQ, Guatemala City, Guatemala, was imported into California for biological control of olive fruit fly, Bactrocera oleae (Gmelin), in olives, Olea europaea L. Mean percentage parasitism of olive fruit fly third instars infesting fruit in field cages ranged from 7.0 in Grapevine to 59.7 in Santa Barbara and in free releases ranged from 0 in Grapevine to 10.6 in Santa Barbara after 4- to 6-d exposures. In the laboratory, more parasitoids developed to adults in olive fruit fly larvae that were 11-13 d old than in larvae 8-10 d old. Adult parasitoids lived significantly longer when provided with water than adults without water in environmental chambers at 5°C, 85% RH; 15°C, 65% RH; 25°C, 25% RH; and 35°C, 25% RH. Adult parasitoids lived for 48 d with honey for food and water and 32 d with food and sugar solution at 15°C and 65% RH. Survival of adult parasitoids without food and water in greenhouse tests was ~4 d in a simulated coastal climate and 1 d in a simulated inland valley climate and was significantly increased by providing food and water. The parasitoid did not develop in the beneficial seedhead fly, Chaetorellia succinea (Costa), in yellow star thistle. The rate of parasitism of walnut husk fly, Rhagoletis completa Cresson, larvae in green walnut husks was 28.4% in laboratory no-choice tests. In choice tests, the rate of parasitism of walnut husk fly versus olive fruit fly larvae in olives was 11.5 and 24.2%, respectively.
(The abstract is excluded from the Creative Commons licence and has been copied with permission by the publisher.)
Full text of article
Database assignments for author(s): Victoria Y. Yokoyama
Research topic(s) for pests/diseases/weeds:
biocontrol - natural enemies
Research topic(s) for beneficials or antagonists:
classical biocontrol/new introduction
general biology - morphology - evolution
Pest and/or beneficial records:
Beneficial | Pest/Disease/Weed | Crop/Product | Country | Quarant.
|
---|---|---|---|---|
Bactrocera oleae | Olive (Olea europaea) | U.S.A. (SW) | ||
Rhagoletis completa | Walnut/butternut (Juglans) | U.S.A. (SW) | ||
Psyttalia concolor (parasitoid) | Bactrocera oleae | Olive (Olea europaea) | U.S.A. (SW) | |
Psyttalia concolor (parasitoid) | Rhagoletis completa | Almond (Prunus dulcis) | U.S.A. (SW) |