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 (2002) studied this question.
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