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Full-Text Articles in Behavior and Ethology
Do Predator Cues Influence Turn Alternation Behavior In Terrestrial Isopods Porcellio Laevis Latreille And Armadillidium Vulgare Latreille?, Scott Kight
Scott Kight
Terrestrial isopods (Crustacea: Oniscidea) make more alternating maze turns in response to negative stimuli, a navigational behavior that corrects divergence from a straight line. The present study investigates this behavioral pattern in two species, Porcellio laevis Latreille and Armadillidium vulgare Latreille, in response to short-term vs. long-term exposure to indirect cues from predatory ants. Neither isopod species increased the number of alternating turns in response to short-term indirect exposure to ants, but both species made significantly more alternating turns following continuous indirect exposure to ants for a period of one-week. These results are surprising given differences in behavioral and …