Variation in parasitoid adult size is related to host egg size, maternal state and developmental time

IF 1.7 3区 农林科学 Q2 ENTOMOLOGY
Mei Qi, Yuan‐Feng Yin, Ting‐Yu Luo, Lan‐Feng Qiu, Xiang Li, Xi‐Qing Wang, Hao‐Yuan Hu, Peng‐Cheng Liu
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引用次数: 0

Abstract

Body size is a characteristic of many animal species that is correlated with many fitness‐related traits. Parasitoids are important biological control agents of pests; larger parasitoids often have greater fitness and enhanced performance. Host size is a major influence on parasitoid size, which has been explored in the important egg parasitoid Anastatus disparis (Hymenoptera: Eupelmidae), a potential biological control agent for several Lepidopteran pests. Here, we found that the body size of A. disparis females increased with increasing host egg size, while host egg size did not significantly affect male size. In addition, both female and male offspring sizes significantly increased with increasing maternal size, and female offspring produced by younger mothers were also larger. Furthermore, the body sizes of both females and males appeared to increase when the total development time from egg to adult eclosion decreased. Male offspring produced by larger females have shorter development times, while female offspring produced by older females have longer development times. Consequently, our results suggested that the effect of maternal status on offspring size may be mediated by influencing development time. In summary, our results indicated that the body size of A. disparis is determined by multiple factors with differing effects on females and males, and our results provide guidance for its effective mass rearing and its performance in the field.
寄生虫成虫大小的变化与寄主卵的大小、母体状态和发育时间有关
体型是许多动物物种的一个特征,它与许多与体能有关的特征相关。寄生虫是害虫的重要生物防治媒介;体型较大的寄生虫通常具有更强的适应性和更高的性能。寄主的大小是影响寄生虫大小的一个主要因素,这一点已在重要的卵寄生虫 Anastatus disparis(膜翅目:大戟科)中进行了探讨,该寄生虫是几种鳞翅目害虫的潜在生物控制剂。在这里,我们发现雌虫的体型随着寄主卵的增大而增大,而寄主卵的大小对雄虫的体型没有显著影响。此外,雌性和雄性后代的体型都会随着母体体型的增大而明显增大,而且由较年轻的母体产下的雌性后代体型也较大。此外,当从卵到成虫羽化的总发育时间缩短时,雌性和雄性的体型似乎都会增大。体型较大的雌性所产雄性后代的发育时间较短,而年龄较大的雌性所产雌性后代的发育时间较长。因此,我们的结果表明,母体状态对后代体型的影响可能是通过影响发育时间来介导的。总之,我们的研究结果表明,滇金丝猴的体型由多种因素决定,这些因素对雌性和雄性的影响各不相同,我们的研究结果为滇金丝猴的有效大规模饲养及其在野外的表现提供了指导。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
CiteScore
3.40
自引率
5.30%
发文量
132
审稿时长
6 months
期刊介绍: The Journal of Applied Entomology publishes original articles on current research in applied entomology, including mites and spiders in terrestrial ecosystems. Submit your next manuscript for rapid publication: the average time is currently 6 months from submission to publication. With Journal of Applied Entomology''s dynamic article-by-article publication process, Early View, fully peer-reviewed and type-set articles are published online as soon as they complete, without waiting for full issue compilation.
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