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Parasitism potential of Aenasius advena Compere (Hymenoptera: Encyrtidae) on Ferrisia virgata (Cockerell) (Hemiptera: Pseudococcidae)
International Journal of Tropical Insect Science ( IF 1.1 ) Pub Date : 2020-07-23 , DOI: 10.1007/s42690-020-00214-8
Aswatha Krishnamoorthy , P. N. Ganga Visalakshi , A. Sujatha , Soumya Kallekkattil

The relative suitability of different immature life stages of Ferrisia virgata (Cockerell) (Hemiptera: Pseudococcidae) as a host for the development of the parasitoid, Aenasius advena Compere (Hymenoptera: Encyrtidae) was investigated. Maximum parasitism (42.50%) under laboratory conditions was observed in the pre reproductive stage of host. The results of this study revealed that host life stage in which parasitoid larva complete its final instar is significant for its development. Parasitism of third instar and pre reproductive F. virgata yielded more number of males and females respectively. Considering the efficiency of parasitism, third instar and pre reproductive stage of F. virgata is the most suitable stage for mass rearing A. advena in the laboratory. Biological control is the best management strategy to control F. virgata since it helps reducing pesticide usage. Biological information gathered in this study is important to the development biological control programme of F. virgata.

中文翻译:

Aenasius advena Compere(膜翅目:Encyrtidae)对 Ferrisia virgata(Cockerell)(半翅目:Pseudococcidae)的寄生潜力

研究了不同未成熟生命阶段的 Ferrisia virgata (Cockerell)(半翅目:Pseudococcidae)作为寄生蜂 Aenasius advena Compere(膜翅目:Encyrtidae)发育的宿主的相对适宜性。在宿主的前生殖阶段观察到实验室条件下的最大寄生(42.50%)。这项研究的结果表明,寄生蜂幼虫完成其终龄的寄主生命阶段对其发育具有重要意义。三龄和生殖前 F. virgata 的寄生分别产生了更多的雄性和雌性。考虑到寄生效率,F. virgata 的三龄和生殖前阶段是最适合在实验室大规模饲养 A. advena 的阶段。生物控制是控制 F 的最佳管理策略。virgata,因为它有助于减少农药的使用。本研究中收集的生物信息对开发 F. virgata 的生物控制程序很重要。
更新日期:2020-07-23
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