No-choice oviposition preferences predict neighborhood effects among host plants in a model system

IF 2 3区 农林科学 Q2 ENTOMOLOGY
Ashley Blum, Hannah Dodson, Kristen Sperber, Alyson Sveda, Andrew C. Merwin
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引用次数: 0

Abstract

Abstract Image

无选择产卵偏好可预测模型系统中寄主植物的邻近效应
相邻植物物种可通过昆虫食草动物间接影响彼此的适应性。例如,由于食草动物对寄主植物的相对偏好,昆虫在目标植物上产卵的数量会受到邻近植物物种存在的影响。我们利用豆甲虫(Callosobruchus maculatus)和五种豆子进行了一项实验室实验,以确定甲虫对邻近豆子物种的无选择偏好是否与双物种环境(双栽培)中重点物种上的产卵数量相关。我们预测,与焦点寄主相比,甲虫对邻近豆类的偏好程度越高,在焦点豆类寄主上产卵的数量就越少。在所有配对组合中,我们的预测都得到了支持:随着甲虫对邻近豆类的相对无选择偏好程度增加,在焦点豆类上产卵的数量就会减少。不过,这种关系相对较弱。这些结果提供了将食草动物的无选择偏好与邻近效应的强度联系起来的经验证据,并表明即使在相对可控的环境中,邻近效应也可能很弱。我们的研究结果还强调,相对于单一种植,食草动物在混合种植区产卵总数的意外变化会使预测变得复杂。
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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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