内寄生蜂幼虫的潜在寄主范围(膜翅目:小蜂科)

S. Hiroyoshi, J. Harvey, Y. Nakamatsu, H. Nemoto, J. Mitsuhashi, T. Mitsunaga, Toshiharu Tanaka
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引用次数: 0

摘要

许多寄生蜂在自然界中具有高度的特化性,只攻击一种或几种宿主。宿主范围通常由宿主的一系列生物学和生态学特征决定,包括饮食、生长潜力、免疫力和系统发育。虽然有报道称其拥有相对较宽的鳞翅目寄主范围,但独居的食蚁虫内寄生蜂(Cotesia vestalis)主要寄生在田间的小菜蛾(DBM)幼虫身上。为了更好地理解vestalis作为DBM以外宿主的潜在生物对照的生物学,有必要确定其对潜在宿主的适用性。在本研究中,使用来自10个科的27种鳞翅目昆虫,在实验室条件下检查了黄蜂的潜在寄主范围及其在每个寄主幼虫中的发育能力。这只黄蜂能够成功地寄生在27个物种中的15个。一些寄主物种不能通过其内部生理防御来排除vestalis。当寄生不成功时,大多数宿主在卵期或一龄早期使用包囊杀死了寄生蜂,但也有一些宿主物种在不同阶段干扰了寄生蜂的发育。在合适和不合适的宿主之间没有发现系统发育关系,这表明一些内链淀粉样蛋白的宿主范围不受基于免疫的宿主之间的相关性的限制。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Potential Host Range of the Larval Endoparasitoid () (Hymenoptera: Braconidae)
Many parasitoid wasps are highly specialized in nature, attacking only one or a few species of hosts. Host range is often determined by a range of biological and ecological characteristics of the host including diet, growth potential, immunity, and phylogeny. The solitary koinobiont endoparasitoid wasp, Cotesia vestalis , mainly parasitizes diamondback moth (DBM) larvae in the field, although it has been reported that to possess a relatively wide lepidopteran host range. To better understand the biology of C vestalis as a potential biological control of hosts other than the DBM, it is necessary to determine suitability for potential hosts. In this study, the potential host range of the wasp and its developmental capacity in each host larva were examined under laboratory conditions using 27 lepidopteran species from 10 families. The wasp was able to parasitize 15 of the 27 species successfully. Some host species were not able to exclude C vestalis via their internal physiological defenses. When parasitization was unsuccessful, most hosts killed the parasitoid at the egg stage or early first-instar stage using encapsulation, but some host species disturbed the development of the parasitoid at various stages. No phylogenetic relationships were found among suitable and unsuitable hosts, revealing that host range in some endoparasitoids is not constrained by relatedness among hosts based on immunity.
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