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首页> 外文期刊>Journal of Medical Entomology >Seasonal variation in Carcincips pumilio (Coleoptera : Histeridae) dispersal and potential for suppression of dispersal behavior
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Seasonal variation in Carcincips pumilio (Coleoptera : Histeridae) dispersal and potential for suppression of dispersal behavior

机译：Carcincips pumilio（鞘翅目：Histeridae）扩散的季节性变化和抑制扩散行为的潜力

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摘要

Seasonal dispersal of Carcinops pumilio (Erichson) was evaluated using two trapping methods-a black-light pitfall trap and a mesh-bottomed trap placed on poultry manure. The black-light trap collected larger numbers than the mesh-bottomed trap from March through June. The mesh-bottomed trap gathered larger numbers of beetles from June through August and numbers were less variable throughout the year. Often, when very low numbers of beetles were recovered from manure cores, large numbers of beetles could be collected with the black-light trap suggesting that beetle density may not be an important factor in dispersal behavior. The greatest dispersal in the dispersal arenas (approximate to90%) occurred using beetles collected by both trap types in June 2000. Beginning in March and ending in August, a cyclic rise and then fall pattern in both laboratory dispersal and beetle collections was observed. Trap collection patterns were similar in both years of the study. In January and March, we were unable to prevent dispersal behavior of beetles captured in black-light traps. However, in May, after beetles had been in a dispersal phase for several months, we were able to suppress dispersal. In contrast, dispersal behavior among beetles captured with the mesh-bottomed trap did not change following the photoperiod-altered exposure.
机译：使用两种诱捕方法（黑光陷阱诱捕器和网状底部诱捕器放置在家禽粪便上）评估了Carcinops pumilio（Erichson）的季节性扩散。从3月到6月，黑光陷阱的收集数量大于网状陷井的数量。从6月到8月，网状底部的陷阱收集到更多的甲虫，并且全年变化不大。通常，当从粪便堆芯中回收到极少量的甲虫时，可以用黑光陷阱收集大量的甲虫，这表明甲虫的密度可能不是分散行为的重要因素。在2000年6月，使用两种陷阱类型收集的甲虫在散布区域中的散布量最大（大约90％）。从3月开始，到8月底，实验室散布和甲虫的收集均出现了周期性的上升和下降模式。两年的研究中陷阱收集模式相似。在1月和3月，我们无法阻止在黑光陷阱中捕获的甲虫的扩散行为。但是，在5月，甲虫进入分散阶段数月后，我们得以抑制了分散。相反，在光周期改变的暴露之后，用网底陷阱捕获的甲虫之间的分散行为没有改变。

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