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首页> 外文期刊>Proceedings of the National Academy of Sciences of the United States of America >Defensive use of a fecal thatch by a beetle larva (Hemisphaerota cyanea)
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Defensive use of a fecal thatch by a beetle larva (Hemisphaerota cyanea)

机译：甲虫幼虫（蓝花半吸虫）防御性使用粪便茅草

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摘要

The larva of the tortoise beetle. Hemisphaerota cyanea (Chry- somelidae. Cassidinae). constructs a thatch from long filamentous fecal strands, beneath which it is totally concealed. The thatch is not discarded at molting but is enlarged by addition of strands as the larva grows. Thatch construction begins when the larva hatches from the egg. Pupation occurs beneath the thatch. Two predators, a coccinellid beetle larva (cycloneda sanguineal) and a pentatomid bug (Stirerus anchorago), were shown to be thwarted by the thatch. However, one predator. a carabid beetle (Calleida viridipennis), feeds on the larva by either forcing itself beneath the thatch or chewing its way into it. The attack behavior is stereo- typed, suggesting that the beetle feeds on Hemtwhaerota larvae as a matter of routine.
机译：to甲的幼虫。 Hemisphaerota cyanea（葫芦科。Cassidinae）。从长长的丝状粪便链构造茅草，在其下完全隐藏。茅草不会在蜕皮时被丢弃，而是随着幼虫的生长而通过增加股线而扩大。当幼虫从卵中孵出时，便开始盖草。化up发生在茅草屋的下方。有两个捕食者被茅草茎挫败了，它们分别是球虫甲虫幼虫（Cyclneda sanguineal）和戊类昆虫（Stirerus anchorago）。但是，一个捕食者。甲壳纲甲虫（Calleida viridipennis）通过将自己强行推到茅草下面或咀嚼它的方式来取食幼虫。攻击行为是定型的，这表明甲虫通常以Hemtwhaerota幼虫为食。

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