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22 October 2019 Some Aspects of the Biology of Trichopria anastrephae (Hymenoptera: Diapriidae), a Resident Parasitoid Attacking Drosophila suzukii (Diptera: Drosophilidae) in Brazil
Júlia Gabriela Aleixo Vieira, Alexandra Peter Krüger, Tiago Scheuneumann, Maíra Chagas Morais, Hugo Julio Speriogin, Flávio Roberto Mello Garcia, Dori Edson Nava, Daniel Bernardi
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Abstract

Spotted-wing Drosophila, Drosophila suzukii (Matsumura, 1931), is an economic pest of thin-skinned fruit crops. Its control has commonly been carried out through chemical methods. However, given the need to develop safer and environmentally friendly management alternatives, the pupal endoparasitoid Trichopria anastrephae Lima stands out as a potential biological control agent. However, the lack of information on the mass rearing of this parasitoid limits its use. Thus, the objective of our study was to provide information that is useful for rearing T. anastrephae using D. suzukii as a host. The effects of pupal age, exposure time, and pupal density on the parasitism rate were examined, as was the effect of honey provision for extending adult parasitoid longevity. Exposing 15 12-h-old pupae per female for 24 h resulted in higher parasitism rates and a greater number of emerged parasitoids. Males and females of T. anastrephae fed with pure honey (100%) or honey diluted to 50% in water lived longer compared to those fed 10% honey, no food, or only water.

© The Author(s) 2019. Published by Oxford University Press on behalf of Entomological Society of America. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com.
Júlia Gabriela Aleixo Vieira, Alexandra Peter Krüger, Tiago Scheuneumann, Maíra Chagas Morais, Hugo Julio Speriogin, Flávio Roberto Mello Garcia, Dori Edson Nava, and Daniel Bernardi "Some Aspects of the Biology of Trichopria anastrephae (Hymenoptera: Diapriidae), a Resident Parasitoid Attacking Drosophila suzukii (Diptera: Drosophilidae) in Brazil," Journal of Economic Entomology 113(1), 81-87, (22 October 2019). https://doi.org/10.1093/jee/toz270
Received: 3 April 2019; Accepted: 10 September 2019; Published: 22 October 2019
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KEYWORDS
biological control
endoparasitoid pupal
rearing techniques
spotted wing drosophila
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