Two-sex life table of Nasonia vitripennis (Hymenoptera: Pteromalidae) and the effects of Wolbachia on its reproduction and parasitism of Musca domestica (Diptera: Muscidae)
2021
Yang, Wenwen | Chu, Xu | Li, Jie | Wang, Ningxin
Nasonia vitripennis (Walker) (Hymenoptera: Pteromalidae) is now emerging as genetic model organism for development and genetics research. As a parasitic insect, the egg, larval, pupal, and early adult developmental stages of N. vitripennis occur within the enclosed fly pupae, which differ a lot from the life cycle of other insects that undergo complete metamorphosis. Previous report on the life table of N. vitripennis was based on females only. In this study, the two-sex life table approach was used to examine the parasitic efficiency of N. vitripennis within the pupae of Musca domestica L. (Diptera: Muscidae), and the influence of low temperature and the endosymbiotic bacteria Wolbachia on wasp population growth were investigated. Wolbachia could improve the fecundity of N. vitripennis and prolong the host life history. We propose the preservation of M. domestica pupae at 4 °C for 15 days is suitable in practical use. Age-stage, two-sex life table analysis revealed the stage structure and variability of N. vitripennis population growth, and also provide useful information about the effects of Wolbachia on its reproduction and parasitism of M. domestica.
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