First Report of Immatures, Genitalia and Maternal Care in Eugenysa columbiana (Boheman) (Coleoptera: Chrysomelidae: Cassidinae: Eugenysini)

Caroline S. Chaboo

doi:10.1649/0010-065X(2002)056[0050:FROIGA]2.0.CO;2

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Caroline S. Chaboo¹

¹Department of Entomology, Comstock Hall Cornell University, Ithaca, NY 14853, U.S.A

Abstract

Illustrated descriptions of larvae, pupae and adult genitalia are provided for Eugenysa columbiana (Boheman) in Costa Rica. These represent the first such descriptions for the tribe Eugenysini. Females are reported as exhibiting guarding of larvae and pupae. Male presence with the female and larval group is also described. The distribution range is extended to Peru, and host plant data is recorded. A new character from the spermatheca is presented and its potential usefulness in deducing eugenysine relationships is discussed.

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Caroline S. Chaboo "First Report of Immatures, Genitalia and Maternal Care in Eugenysa columbiana (Boheman) (Coleoptera: Chrysomelidae: Cassidinae: Eugenysini)," The Coleopterists Bulletin 56(1), 50-67, (1 March 2002). https://doi.org/10.1649/0010-065X(2002)056[0050:FROIGA]2.0.CO;2

Received: 1 September 2000; Accepted: 1 May 2001; Published: 1 March 2002

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