Abstract. Fopius arisanus (Hym., Braconidae) is an egg–pupal parasitoid of tephritid fruit flies. Since its introduction to Hawaii in the late s, it has caused . Abstract. We describe all immature stages, particularly the previously undescribed instars, of Fopius arisanus (Sonan) (Hymenoptera. Fopius arisanus (Sonan, ) is an egg-pupal parasitoid of Tephritid fruit flies. This Braconid wasp has been utilized for biological control of the Mediterranean .

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Reproductive biology of Fopius ceratitivorus Hymenoptera: Acknowledgments We thank Keith Shigeteni for assistance in the insectary and Natasha Sostrom for help with computer graphics.

Eggs of the two fruit fly species were used to determine the parasitism rate, number of offspring, emergence rate, sex ratio, adult weight and longevity of male and female F.

University of Hawaii; At pupation, the vermiculite was sifted through a galvanized sieve 0. National Center for Biotechnology InformationU. Australian Journal of Agricultural Research. Suppression of melon fly Diptera: However, positive values were also observed in the population growth of F.

After its success in Hawaii, F.

An Optimized Protocol for Rearing Fopius arisanus, a Parasitoid of Tephritid Fruit Flies

After 6 h of parasitism, the eggs of C. These should be changed two times per ffopius. Iowa State University Press, Iowa. Comparative demography of six fruit fly Diptera: Under laboratory conditions, F.

Host specificity of the egg pupal parasitoid Fopius arisanus Hymenoptera: In this study, F. Relationships among members of the genus Fopius have been briefly discussed by Wharton Florida, USA —introduced against A. Note also that for the parasitized pupae the percentage of females correlates positively with size Ensure that there is sufficient space between the top of the diet container and the pupation container lid for fruit fly larvae to crawl out and ‘pop’ 20 into the vemiculite below.


These biological parameters were used to develop a fertility life table. New South Wales Snowball, G. Discussion The success of biological control programs involving the use of parasitoids to suppress fruit fly populations depends, among other things, on the knowledge of the biology of the parasitoid and its relationships with possible hosts Carmichael et al. In species of the Anastrepha genus, the development of F.

Reproductive biology of Fopius ceratitivorus Hymenoptera: Tephritidaewhere it also showed good development in C. Successfully introduced to Hawaii during the biological control program against Oriental fruit fly, Bactrocera dorsalis Clancy et al. Honey bee foraging preferences, effects of sugars, and fruit fly toxic bait components. Regarding the sex ratio, adults from the eggs of C. After an additional week in the holding cage removal of empty puparia another two gram sample was taken ‘late pupae’.

Suggestions for augmentative biological control: Snowball and Lukins reared arisanus from several species of Bactrocera when it was introduced to Australia for biological control of Queensland fruit fly. The method we describe here allows rearing of F. Introduced Argentina Ovruski, S. The authors also report that in experiments with the 4 larval parasitoids none were able to directly destroy F.

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Tap the underside of the bottom screen to remove dead parasites which may obstruct the eggs. Relationship between age-specific fecundity mx and age-specific survival lx of F.


The pupae drop individually by size into an array of slots that fpius into ten separate containers through a funnel. We observed higher parasitism and emergence arisans of adults, a shorter duration of the egg—adult period and a sex ratio biased to females when F. Biology and fertility life table of Aganaspis pelleranoi Hymenoptera: The same parasitism procedure described for C.

The same pattern was also seen in female adults emerging from A. The rearing of F. Statistical Analysis The experiment was conducted using a completely randomized design with two treatments hosts C.

Received May 13; Accepted Aug This indicates that the host provides the biological and physiological conditions necessary to provide all the nutritional requirements for the insects to develop offspring and, thus, generate a greater number of females Quimio and Walter ; Ramadan et al. Braconidae on Ceratitis capitata and Anastrepha spp.

Dukas R, Duan JJ. Intrinsic inter-specific competition in a guild of tephritid fruit fly parasitoids: Rearing at the Hilo location on the scale described in this video article and protocol was initiated in Augustand initial problems and adjustments with the new location had been mostly resolved by January.

Place the fruit fly eggs under the bottom screen of the parasitoid cages to allow oviposition. Journal of Applied Entomology. Fopius arisanus fore wing