两种以韧皮部为食的玉米害虫以植物为媒介对同种和异种害虫的促进作用:昆虫身份和到达顺序的影响

IF 2 3区 农林科学 Q2 ENTOMOLOGY
Marina Chaves de Oliveira, Tiago Morales-Silva, Patricia Pereira, Marvin Pec, Lívia Aparecida de Souza, Maria Fernanda G. V. Peñaflor
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引用次数: 0

摘要

昆虫的食草行为会导致植物的初级和次级新陈代谢发生变化,最终影响后续的相互作用。一些以韧皮部为食的昆虫已经发展出抑制食草动物引起的植物防御机制,并控制寄主韧皮部汁液的质量,从而促进它们在寄主植物上的生存。有证据表明,专食韧皮部的昆虫Dalbulus maidis和Rhopalosiphum maidis可以抑制食草动物引起的玉米防御,根据这一证据,我们假设这两种害虫中的任何一种侵扰玉米都会促进随后的同种和异种个体的定殖和建立。我们在实验室和温室环境中对这些昆虫进行了一系列行为测定。玉米叶蝉(D. maidis)更喜欢以前被侵染过的植物作为宿主,但它在定殖时并不区分同种或异种被侵染的植物。不过,在选择产卵寄主时,它更喜欢将卵产在同种受侵染植物上,与未受侵染植物和异种受侵染植物相比,后代在同种受侵染植物上表现更好。玉米蚜(R. maidis)也更喜欢以前受侵染的植物而不是未受侵染的植物作为寄主。不过,蚜虫更喜欢异种侵染的植物,而不是同种侵染的植物,尽管异种侵染的植物对蚜虫来说是质量较低的寄主。与未受侵染的植物相比,蚜虫在受同种侵染的植物上表现更好,其次是受异种侵染的植物。我们的研究结果证实,专门取食韧皮部的昆虫先前的定殖有利于同种昆虫和异种昆虫随后的侵染。然而,对异种昆虫的促进作用是不对称的,因为麦蛾的定殖比相反的侵染顺序更有利于麦蛾的侵染。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Plant-mediated facilitation to conspecifics and heterospecifics by two phloem-feeding maize pests: The influence of insect identity and order of arrival

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来源期刊
Ecological Entomology
Ecological Entomology 生物-昆虫学
CiteScore
4.90
自引率
4.50%
发文量
94
审稿时长
3 months
期刊介绍: Ecological Entomology publishes top-quality original research on the ecology of insects and related invertebrate taxa. Our aim is to publish papers that will be of considerable interest to the wide community of ecologists who are motivated by ecological or evolutionary theory. The suitability of a manuscript will usually be assessed within 5 days. We publish full-length Original Articles as well as Reviews, Short Communications, Methods and Natural History papers. In Original Articles, we greatly prefer papers that test specific hypotheses and which have a high degree of novelty. All categories aim for innovative contributions that advance the subject of ecological entomology.
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