A tropical lady beetle, Diomus lupusapudoves (Coleoptera: Coccinellidae), deceives potential enemies to predate an ant-protected coffee pest through putative chemical mimicry
A tropical lady beetle, Diomus lupusapudoves (Coleoptera: Coccinellidae), deceives potential enemies to predate an ant-protected coffee pest through putative chemical mimicry
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热带瓢虫 Diomus lupusapudoves（鞘翅目：瓢虫科）通过假定的化学拟态欺骗潜在的敌人，捕食受蚂蚁保护的咖啡害虫
DOI：
10.1007/s42690-021-00621-5
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发表时间：
2022
影响因子：
1.2
通讯作者：
Vandermeer, John
中科院分区：
文献类型：
--
作者：
Iverson, Aaron;Burnham, Robyn;Perfecto, Ivette;Vandenberg, Natalia;Vandermeer, John
瓢虫科中的几种甲虫已经进化出与蚂蚁的密切联系，以消耗蚂蚁照料的半翅目猎物。这些喜蚁瓢虫采用各种策略来避免蚂蚁的攻击，包括物理和化学保护。我们问如何夫人beetleDiomus lupusapudovesVandenberg，Iverson和Liere（瓢虫科：Diomini）是能够避免在墨西哥咖啡农业生态系统的蚂蚁侵略，鉴于其幼虫是从侵略性的阿兹特克sericeasurLongino（蚁科：Leptomyrmecini）蚂蚁物理保护。通过典型的鳞蚁互惠共生，这些蚂蚁保护D的主要食物来源。lupusapudoves，绿色咖啡蚧，Coccus viridis绿色（蚧科：蚧虫），咖啡的农业害虫。通过三个定量的行为实验室实验，我们发现蚂蚁对两者都没有表现出攻击性。lupusapudoveslarvae或towards C.绿色的同样地，当蚂蚁被涂上一层D。狼疮幼虫残留。通过生存分析，我们发现D. lupusapudoves幼虫对蚂蚁没有明显的毒性，因为蚂蚁食用了含有D. lupusapudoves幼虫的寿命比那些只喂养对照糖溶液的幼虫长。从这一系列实验中，我们推断D. lupusapudoves幼虫可能采用化学拟态，使它们能够与侵略性A共存。丝胶结果表明，该虫的喜虫行为与其寄主的喜虫行为相似。Lupusapudoves幼虫帮助它们作为绿色咖啡蚧的重要生物控制剂发挥作用。
Several beetle species in the family Coccinellidae have evolved close associations with ants in order to consume ant-tended hemipteran prey. These myrmecophilous lady beetles employ various strategies for avoiding ant aggression, including physical and chemical protection. We asked how the lady beetleDiomus lupusapudovesVandenberg, Iverson and Liere (Coccinellidae: Diomini) is capable of avoiding ant aggression in a Mexican coffee agroecosystem, given that its larvae are physically unprotected from the aggressiveAzteca sericeasurLongino (Formicidae: Leptomyrmecini) ants. Through a classic scale-ant mutualism, these ants protect the primary food source ofD. lupusapudoves, the green coffee scale,Coccus viridisGreen (Coccidae: Coccini), an agricultural pest of coffee. Through three quantitative behavioral lab experiments, we found that the ants did not show aggression towards eitherD. lupusapudoveslarvae or towardsC. viridis. Similarly, the ants were not antagonistic to crickets (Orthoptera), which normally induce aggression, when they were covered in a coating ofD. lupusapudoveslarvae residues. Through a survival analysis, we found thatD. lupusapudoveslarvae are not apparently toxic to the ants, as ants that consumed a sugar solution containing theD. lupusapudoveslarvae lived longer than those fed only a control sugar solution. From these series of experiments, we deduce that theD. lupusapudoveslarvae likely employ chemical mimicry, allowing them to coexist with the aggressiveA. sericeasurants. The myrmecophilous behavior of theD. lupusapudoveslarvae assists them in their role as an important biological control agent of the green coffee scale.
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