瓢虫雄性干预对生殖的影响

IF 1.3 4区 生物学 Q4 BEHAVIORAL SCIENCES
Harshita Yadav, Mohd Sariq, Geetanjali Mishra
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引用次数: 0

摘要

瓢虫(Propylea dissecta和Cheilomenes sexmaculata)是一种重要的生物防治剂,它们捕食多种蚜虫。这些甲虫经常共存并相互作用,这种相互作用可能导致雌性适应性降低。为了评估同种和异种雄性(P. dissecta)对雌性C. sexmaculata生殖输出的影响,我们进行了三种实验处理:对照、同种和异种。结果表明,在交配过程中,由于物种相似性,同种雄虫对雌虫的交配尝试产生了明显的干扰。在与同种雄虫交配后,无论雌性随后是与同种雄虫还是异种雄虫饲养,都观察到繁殖力和卵活力的降低。异种处理中发生了多次交配事件,而异种处理中没有记录到异种交配。这些结果表明,同种和异种的相互作用对瓢虫的繁殖成功率都有负面影响,可能会限制瓢虫作为生物防治剂的效果。进一步研究驱动这些种间相互作用的机制对于优化这些甲虫在综合害虫管理策略中的使用至关重要。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Reproductive consequences of male interference in ladybird beetles

Ladybird beetles, Propylea dissecta and Cheilomenes sexmaculata, are important biocontrol agents, preying on a variety of aphid species. These beetles often coexist and interact, and such interactions may result in reduced female fitness. To assess the impact of conspecific and heterospecific males (P. dissecta) on the reproductive output of C. sexmaculata females, we conducted three experimental treatments: control, conspecific, and heterospecific. Our results indicated that during mating, conspecific males exerted significant interference due to species similarity, disrupting mating attempts of C. sexmaculata females. Following copulation with conspecific males, a reduction in fecundity and egg viability was observed regardless of whether the females were subsequently housed with conspecific or heterospecific males. Multiple mating events occurred in the conspecific treatment, while no heterospecific mating was recorded in the heterospecific treatment. These findings suggest that both conspecific and heterospecific interactions negatively affect the reproductive success of C. sexmaculata, potentially limiting the efficacy of these beetles as biocontrol agents. Further investigation into the mechanisms driving these interspecies interactions is essential to optimise the use of these beetles in integrated pest management strategies.

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来源期刊
acta ethologica
acta ethologica 生物-动物学
CiteScore
1.90
自引率
0.00%
发文量
18
审稿时长
>12 weeks
期刊介绍: acta ethologica publishes empirical and theoretical research papers, short communications, commentaries, reviews and book reviews as well as methods papers in the field of ethology and related disciplines, with a strong concentration on the behavior biology of humans and other animals. The journal places special emphasis on studies integrating proximate (mechanisms, development) and ultimate (function, evolution) levels in the analysis of behavior. Aspects of particular interest include: adaptive plasticity of behavior, inter-individual and geographic variations in behavior, mechanisms underlying behavior, evolutionary processes and functions of behavior, and many other topics. acta ethologica is an official journal of ISPA, CRL and the Portuguese Ethological Society (SPE)
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