Journal
BEHAVIORAL ECOLOGY AND SOCIOBIOLOGY
Volume 59, Issue 3, Pages 364-372Publisher
SPRINGER
DOI: 10.1007/s00265-005-0059-y
Keywords
behaviour; predation risk; inducible defences; trichoptera
Categories
Ask authors/readers for more resources
Some organisms use morphological structures obtained by behavioural processes to lower mortality by predation. We test whether larvae of the limnephilid caddisfly Potamophylax latipennis (Curtis) vary their responses to the presence of different predators (dragonfly naiads, fire salamander larvae or brown trout) by choosing organic or mineral cases. We offered both case types to larvae, and simulated differences in predation risk using water conditioned with chemicals from the different predators. Our results show that Potamophylax larvae detect and discriminate predators using water-borne chemical cues and alter their choice of case type according to the perceived predation risk. Moreover, the distribution of larvae bearing cases of different anti-predator value matches the spatial variation in predation risk in the field.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available