Host adaptation of a gregarious parasitoid Sclerodermus harmandi in artificial rearing
Host adaptation of a gregarious parasitoid Sclerodermus harmandi in artificial rearing
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群居寄生硬皮霉人工饲养的宿主适应
DOI：
10.1007/s10526-010-9270-5
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发表时间：
2010-08-01
期刊：
影响因子：
2.5
通讯作者：
Sun, Jianghua
中科院分区：
文献类型：
--
作者：
Li, Li;Wei, Wei;Sun, Jianghua
在实验室条件下，研究了一种寄生小蜂对目标寄主松墨天牛的适应性。我们量化了寄生在松墨天牛上的寄生蜂和寄生在普通寄主上的天牛寄生蜂的生理和行为灵活性。在松墨天牛上饲养的哈曼底夜蛾的成虫表现(繁殖力和产卵前期)和后代的生理反应(死亡率和性别比)在多个世代中都有所改善。与基础种群相比，目标寄主上的第12代哈曼迪雌蜂表现出更好的表现，即寻找和处理的时间更短，产卵偏好更高，后代死亡率和雄性羽化率更低。我们的工作表明，哈曼氏木霉的这些性状受到培养世代和寄主质量整合的影响，这意味着哈曼氏木虱作为生防剂的潜在有效性可以进一步提高。
Adaptations of a parasitoid, Sclerodermus harmandi (Buysson 1903) (Hymenoptera: Bethylidae) to a target host, Monochamus alternatus Hope (Coleoptera: Cerambycidae), were investigated in laboratory colonies. We quantified the physiological and behavioral flexibility of the parasitoid reared on M. alternatus compared to the parasitoid reared on a common host, Saperda populnea (Coleoptera: Cerambycidae). Adult performance (fecundity and pre-oviposition period) and offspring physiological responses (mortality and sex ratio) of S. harmandi reared on M. alternatus improved over multiple generations. S. harmandi females of the 12th generation on the target host showed better performance, i.e., shorter time for searching and handling, higher oviposition preference, and, subsequently, lower offspring mortality and proportion of male emergence on the host than those from the base stock. Our work demonstrated that these traits in S. harmandi were influenced by the integration of cultured generations and host quality, which implies that the potential effectiveness of S. harmandi as a biological control agent can be further improved.