Feeding behavior and mobility of carabid beetles in response to perceived risk of predation

Abstract

http://www.eje.cz forage based on several factors such as body size (Preisser & Orrock, 2012), hunger level (Scharf, 2016, chemical defenses (Kaplan & Thaler, 2010), hunting or foraging mode (Preisser et al., 2017), and the quantity and quality of available hiding sites (Finke & Denno, 2002; Donelan et al., 2017). This allows the forager to reduce the probability of being eaten either by avoiding risky habitats altogether, or by increasing its vigilance (and thus compromising its foraging effi ciency) when foraging occurs in a risky habitat (Brown et al., 1999;Pitt, 1999).Changes in foraging behavior in response to predatorindicating cues are among the non-consumptive (i.e. indirect) effects of predator-prey interactions (Pessarrodona et al., 2019). The non-consumptive effects of predation are often strong and play essential roles in determining the strength and dynamics of feeding interactions in predatorprey food webs (Hermann & Landis, 2007; Pessarrodona et al., 2019). It is thus important to study how the nonconsumptive effects of predation may affect the foraging