The first case of gynandromorphism in Enolmis (Lepidoptera: Gelechioidea: Scythrididae)

Passerin d’Entreves Pietro, Roggero Angela
Acta Entomologica Musei Nationalis Pragae 53(1): 369-380, 2013
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Abstract: Gynandromorphism (i.e., organisms with both male and female characteristics) is a rare and interesting phenomenon that has been recorded for several taxa within Insecta, Crustacea, and Aves since the early 20th century. Recently, interest in this phenomenon has been revived, due to its potential contribution to elucidation of developmental mechanisms. Within insects, gynandromorphism includes several examples in Lepidoptera (mainly in the Macrolepidoptera). Yet, it is rare in the far less strikingly sexually dimorphic Microlepidoptera, mainly because it is harder to use external features to recognize gynandromorphs in this taxon. Here, we describe the first known case of gynandromorphism in Scythrididae, belonging to the genus Enolmis Duponchel, 1845. Enolmis species have light coloured external features, asymmetrical male genitalia, and developed henia in females. The different parts of male and female genitalia present in the Enolmis gynandromorph individual are described here.
Key words: Lepidoptera, Scythrididae, Enolmis, developmental patterns, genitalia, gynandromorph, Spain
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