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Abstract
The genus Theorema Hewitson, 1865 is reviewed and characterized. It can be identified on the basis of the following characters: 1) the hind wing dorsal scent patch in the discal and anal areas covered by long hairs; 2) the male genital aedeagus with a terminal sclerotized claw-shaped ventral cornutus and 3) the female genital ductus with a membranous central area weakly sclerotized on its ventral surface. Four species are distinguished: 1) Theorema eumenia Hewitson, 1865 (type species) distributed from south eastern Mexico to Ecuador, 2) Theorema sapho (Staudinger, 1888) Constantino, Salazar & Johnson, 1993, distributed from Panama to Western Colombia and Ecuador, 3) Theorema dysmenia Draudt, 1919, known from Colombia and Peru, and 4) Theorema pyrczia Bálint, sp. n. being described from Venezuela. A key for identification plus a checklist of taxa with reference to type material of Theorema is given. The lectotype of Theorema eumenia is designated. The identity of Thecla werneri Hering & Hopp, 1925, mistakenly considered as Theorema sapho synonym, is clarified and placed in synonymy with Thecla crines H. H. Druce, 1907. Colombian distributional data for Theorema dysmenia, T. eumenia and T. sapho summarized from the literature and various collections are presented. Brief notes on the rediscovery and the biology of T. dysmenia in Colombia, on the biology of T. sapho and the mimicries in which Theorema are probably involved are also provided.
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References
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