A new species of Alesa (Riodinidae: Eurybiini) from eastern Ecuador.

J. P. W. Hall, D. H. Ahrenholz

Abstract


A new riodinid species in the tribe Eurybiini, Alesa suzana Ahrenholz & Hall n. sp., is described from the lowlands of eastern Ecuador. The new species appears to be sister to the widespread Amazonian species A. telephae (Boisduval, 1836). Based on the study of external morphology and male genitalia, a new species-group classification is proposed for Alesa Doubleday, 1847. The genus is divided into the amesis, telephae, and prema groups.

Keywords


Alesa; Amazon; Ecuador; Eurybiini; Riodinidae; South America; taxonomy

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