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Volume 102 (1995), Issue 1-2, Pages 27-33

Cannibalistic Caterpillars (Utetheisa ornatrix; Lepidoptera: Arctiidae) Fail to Differentiate between Eggs on the Basis of Kinship

1Department of Zoology, Brandon University, Manitoba, Brandon R7A 6A9, Canada
2Section of Neurobiology and Behavior, Cornell University, Ithaca, New York 14853, USA

Received 1 September 1995

Copyright © 1995 James F. Hare and Thomas Eisner.


Utetheisa ornatrix larvae, in exercising egg cannibalism, do not discriminate between kin and nonkin. Under natural conditions this may not be a handicap, partly because the larvae hatch largely in synchrony and do not immediately upon emergence engage in cannibalism.