饮食经验改变了两种母对番茄,土豆,类动物的掠夺行为
Shovon Chandra Sarkar1, Stephen Paul Milroy1, Wei Xu1
1Food Futures Institute, Murdoch University, Murdoch, Western Australia, Australia.
Insect science
|January 25, 2024
概括
曾经以入侵性番茄土豆虫为猎物的母鸟表现出更多的偏好和种群控制. 早期与害虫的经验可以提高生物控制剂的有效性.
科学领域:
- 昆虫学 昆虫学是一门学科.
- 侵入性物种 生态学 侵袭性物种 生态学
- 生物控制 生物控制
背景情况:
- 番茄土豆 (Bactericera cockerelli) 是澳大利亚的入侵性害虫,导致Solanaceous作物的经济损失.
- 侵入性害虫可以改变生态相互作用;一般性掠食者的影响取决于它们的掠食行为和学会的猎物识别.
- 了解捕食者学习对于预测入侵后的人口动态至关重要.
研究的目的:
- 为了研究如何与Bactericera cockerelli的饮食经验影响猎物选择和母鸟物种的种群抑制.
- 评估通过捕食者与侵入性害虫的经验来加强生物控制的潜力.
主要方法:
- 研究了两种母鸟物种,Hippodamia variegata (非本地) 和Coccinella transversalis (本地),进行了研究.
- 猎物偏好是在母暴露于B. cockerelli之后,在6小时的彼得里盘选择测试中进行评估的.
- 人口抑制在温室环境下对番茄植物进行了评估.
主要成果:
- 曾经有B. cockerelli饮食经验的母鸟在短期内显著增加了对psyllid.cockerelli的偏好.
- 经验丰富的娘鸟在番茄植物上实现了更大的抑制B. cockerelli种群.
- 由于经验而改变的猎物识别被认为是增加抑制背后的机制.
结论:
- 饮食经验显著增强了母鸟的偏好和对入侵性番茄马psyllid的控制.
- 提供生物控制剂与早期生活经验消耗目标入侵物种的生物控制剂可以提高其有效性.
- 这表明,在害虫防治中,对母的增强释放策略有改进的潜力.
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