Sexual Dimorphism, Deactivation of Plant Defense, and Attraction of Conspecifics in the Four-Eyed Red Milkweed Beetle (Tetraopes tetrophthalmus)
E. J. Craig,
M. B. Goldman,
A. A. Agrawal
Abstract:Herbivorous insects frequently exhibit sexual dimorphism in body size and a variety of other traits. Such differences often lead to distinct behaviors, which may present themselves in insect responses to conspeci cs, plant defenses, and feeding. Based on a previous study of a congeneric species, we hypothesized that sexual dimorphism may yield differences in how the host-speci c red milkweed beetle Tetraopes tetrophthalmus (Coleoptera: Cerambycidae) deactivates milkweed defenses, a leaf trenching behavior in w… Show more
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