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Environmental Cues Induce Dispersal and Burial in Crawling Water Beetle, Haliplus punctatus (Coleoptera: Haliplidae)
Journal of Insect Behavior ( IF 1 ) Pub Date : 2019-05-01 , DOI: 10.1007/s10905-019-09732-x
Kate S. Boersma , Natalie Constancio , Sophie Dunkelberger , Lauren Musial , Gabriela Ortiz , Elizabeth von Ruden

Aquatic insects are known to modify their behavior in response to environmental conditions, but manipulative experiments are necessary to distinguish which environmental cues trigger which behaviors. Understanding these responses is particularly important for arid-land aquatic taxa because ongoing climate change is predicted to make the current extreme abiotic environment even more extreme. Here we conducted a manipulative experiment to determine the behavioral responses of a widespread and common crawling water beetle, Haliplus punctatus (Coleoptera: Haliplidae), to three environmental cues, temperature, conductivity, and water level, and recorded two behaviors, dispersal and burial. We found that increasing water temperature caused animals to bury less and disperse more, but that neither conductivity nor water level affected beetle behaviors. These responses to temperature may have widespread consequences for natural populations.

中文翻译:

环境线索诱导爬行水甲虫的扩散和埋葬,Haliplus punctatus(鞘翅目:Haliplidae)

众所周知,水生昆虫会根据环境条件改变它们的行为,但需要进行操纵性实验来区分哪些环境线索会触发哪些行为。了解这些反应对于干旱陆地水生分类群尤为重要,因为预计持续的气候变化将使当前的极端非生物环境更加极端。在这里,我们进行了一项操纵性实验,以确定一种广泛而常见的爬行水甲虫 Haliplus punctatus(鞘翅目:Haliplidae)对三个环境线索、温度、电导率和水位的行为反应,并记录了两种行为,即扩散和埋葬。我们发现水温升高会导致动物埋藏更少,分散更多,但电导率和水位都不会影响甲虫的行为。
更新日期:2019-05-01
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