Behavioral manipulation in two sheet web weaver-spider by the parasitoid wasp, Eruga unilabiana Pádua & Sobczak, 2018 (hymenoptera: Ichneumonidae)

IF 0.7 4区农林科学 Q4 ENTOMOLOGY

Entomological Science Pub Date : 2022-10-05 DOI:10.1111/ens.12523

Luis Campili Pereira, German Antonio Villanueva-Bonilla, Raul Azevedo, Jober Fernando Sobczak

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Abstract

The ability of some organisms to manipulate the behavior, physiology, and morphology of other individuals to increase the chances of survival and reproduction is well known among animals with a parasitic lifestyle. In the present study we (i) report the interaction between the parasitoid wasp Eruga unilabiana and the host spider Eurymorion sp. (Linyphiidae) for the first time (plus Sphecozone sp. (Linyphiidae)), (ii) describe the normal and cocoon webs of Eurymorion sp. induced by larvae of the penultimate instar of E. unilabiana, (iii) quantify the differences between the structures of normal and cocoon webs of Eurymorion sp. and Sphecozone sp. spiders, and (iv) describe the behavior of two spider species under influence of the penultimate instar larvae of E. unilabiana. The cocoon webs built by parasitized Eurymorion sp. are structurally similar to those of Sphecozone sp. induced by the same parasitoid species. The areas of the sheets and the length of the interception threads of the cocoon webs were significantly smaller than those of normal webs. Several individuals of the two species of host spiders are induced to abandon their normal webs to build a cocoon web from scratch, a rare behavior in non-parasitized individuals.

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寄生蜂对双片织网蜘蛛的行为操纵，Eruga unilabiana Pádua&Sobczak，2018（膜翅目：伊蚊科）

一些生物体操纵其他个体的行为、生理和形态以增加生存和繁殖机会的能力在寄生生活方式的动物中是众所周知的。在本研究中，我们（i）首次报道了寄生蜂Eruga unilabiana和寄主蜘蛛Euryrion sp.（Linyphiidae）之间的相互作用（加上Sphecozone sp.（linyphidae）），（iii）量化Euryrion sp.和Sphecozone sp.蜘蛛的正常网和茧网结构之间的差异，以及（iv）描述两种蜘蛛物种在E.unilabiana倒数第二龄幼虫影响下的行为。寄生的Eurymonon sp.构建的茧网在结构上与同一寄生种诱导的Sphecozone sp.相似。茧网的截丝面积和截丝长度明显小于普通茧网。这两种宿主蜘蛛中的几个个体被诱导放弃正常的网，从头开始构建茧网，这在非寄生个体中是罕见的行为。

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来源期刊

Entomological Science 生物-昆虫学

CiteScore

2.00

自引率

11.10%

发文量

审稿时长

6-12 weeks

期刊介绍： Entomological Science is the official English language journal of the Entomological Society of Japan. The Journal publishes original research papers and reviews from any entomological discipline or from directly allied field in ecology, behavioral biology, physiology, biochemistry, development, genetics, systematics, morphology, evolution and general entomology. Papers of applied entomology will be considered for publication if they significantly advance in the field of entomological science in the opinion of the Editors and Editorial Board.