Evidence for Interspecific Brood Parasite Detection and Removal in Burying Beetles

IF 1.6 Q2 ENTOMOLOGY Psyche: A Journal of Entomology Pub Date : 2018-03-05 DOI:10.1155/2018/2712945
Ashlee N Smith, M. Belk
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引用次数: 4

Abstract

We tested whether brood parasitism could be successful between two co-occurring species of burying beetles, Nicrophorus guttula and Nicrophorus marginatus, and whether these species exhibit an adaptive response to brood parasitism by detecting and removing parasites. We cross-fostered larvae between broods of the two species and created mixed-species broods to simulate the addition of brood parasites. Brood parasites survived in both species’ broods. Nicrophorus marginatus culled 86% of brood parasites compared to 56% of their own larvae, and N. guttula culled 50% of brood parasites compared to 22% of their own larvae. Additionally, N. guttula brood parasites were significantly smaller than N. guttula that were raised by N. guttula parents, but N. marginatus brood parasites were significantly larger than N. marginatus that were raised by N. marginatus parents. This paper provides the first evidence that burying beetles can discriminate between their own larvae and other species’ larvae. We suggest that brood parasitism may be the selective force responsible for this ability.
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埋葬甲虫种间繁殖体寄生虫检测和清除的证据
我们测试了两种同时存在的埋葬甲虫——疣状小蠊和边缘小蠊——之间的窝寄生是否成功,以及这些物种是否通过检测和清除寄生虫对窝寄生表现出适应性反应。我们在两个物种的窝中交叉培育幼虫,并创建混合物种的窝,以模拟添加窝寄生虫。在这两个物种的窝中,繁殖寄生虫都存活了下来。边缘Nicrophorus marginatus扑杀了86%的孵化寄生虫,而它们自己的幼虫只有56%,而N.guttula扑杀了50%的孵化寄生虫。此外,喉舌猪笼草的幼虫寄生虫明显小于喉舌猪圈草父母饲养的喉舌猪笼,但边缘猪笼草幼虫寄生虫明显大于边缘猪笼草属父母饲养的边缘猪笼菜。这篇论文首次证明埋葬甲虫可以区分自己的幼虫和其他物种的幼虫。我们认为,窝寄生可能是导致这种能力的选择性力量。
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来源期刊
CiteScore
1.80
自引率
0.00%
发文量
8
审稿时长
15 weeks
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