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RISS 인기검색어
- 검색키워드
- 저자 : Russell H. Messing (검색결과 2 건)
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Aimé H. Bokonon-Ganta,Mohsen M. Ramadan,Russell H. Messing 한국응용곤충학회 2019 Journal of Asia-Pacific Entomology Vol.22 No.1
Fopius caudatus (Szépligeti) is an endophagous koinobiont egg-larval parasitoid native to Africa. It has recently been noted as a candidate for augmentative biological control of several Dacinae fruit fly pests (Diptera: Tephritidae), due to its ability to parasitize the egg stage. Previous attempts to establish this parasitoid in Hawaii, Guatemala, and Costa Rica were unsuccessful due to inability to maintain parasitoid colonies under laboratory conditions. A cohort of F. caudatus collected from Kenyan fruit flies infesting Coffea arabica was successfully colonized in Hawaii at 28 °C and 60–80% RH, resulting in the development of a laboratory-adapted colony amenable for mass production. The parasitoid was successfully developed from eggs of Ceratitis capitata and Bactrocera latifrons as a factitious host. The wasps were propagated for 15 weeks until the rearing stabilized, at which point > 10,500 adults were produced with an overall sex ratio of 0.52 females and a mean host parasitism rate of 17.3%. It could parasitize Medfly eggs in fruits other than coffee, including papaya, mango, pear, squash, and sweet pepper. Female F. caudatus oviposited mainly in 24–48 h old Medfly eggs, although occasionally a few individuals eclosed when first instar fly larvae were exposed. Mean developmental time from egg to adult was 19.8 d for males and 21.5 d for females. Mean longevity was 5.2 d for males and 14.2 d for hostdeprived females. This study enabled us to maintain a colony of F. caudatus for research and redistribution to other countries for biocontrol programs against Medfly.
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Angelo Canale,Gabriele Gennari,Valeria Leoni,Russell H. Messing,Giovanni Benelli 한국응용곤충학회 2015 Journal of Asia-Pacific Entomology Vol.18 No.2
Researchers in many countries have devoted great effort to the development and validation of the sterile insect technique (SIT) against a number of tephritid species. To improve SIT cost-effectiveness and applicability against these serious economic pests, itwould be useful to improve currentmass-rearing procedures. While the benefits of using liquid larval diets have beenwidely tested, liquid diets for adult feeding have received far less attention. Here, we report on the impact of low-cost adult liquid diets with a range of sugar:protein ratios on female reproductive performance (i.e. pre-oviposition period, female egg load, larval–pupal developmental rate, adult emergence, sex ratio and longevity of offspring) in the Mediterranean fruit fly, Ceratitis capitata. Protein-deprived females required longer pre-oviposition time and had reduced egg load. No differences were found in the reproductive performance of females fed with liquid vs. solid diet. The proposed liquid diet is readily available to the feeding behaviour of tephritid flies and lasts three times longer than the solid diet composed of the same ingredients.
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