The Skipper Butterflies (Hesperiidae) of Trinidad Part 16, Hesperiinae, Genera Group J, Vettius - Naevolus Matthew J.W. Cock Cock, M.J.W. 2009. The Skipper Butterflies (Hesperiidae) of Trinidad Part 16, Hesperiinae, Genera Group J, Vettius - Naevolus . Living World, Journal of The Trinidad and Tobago Field Naturalists’ Club , 2009, 11-31. The Skipper Butterflies (Hesperiidae) of Trinidad Part 16, Hesperiinae, Genera Group J, Vettius - Naevolus Matthew J. W. Cock CABI Europe - Switzerland, Rue des Grillons 1, CH-2800 Delémont, Switzerland.
[email protected] ABSTRACT Trinidad skippers of the genera Vettius , Turesis , Thoon , Justinia , Eutychide , Onophas and Naevolus (Evans’ Genera Group J; Moncini (part)) are treated. Details are given of the taxonomy, history, description, identification and biology of the 12 Trinidad species in these genera. Of these, only one species, Vettius fantasos (Stoll), occurs in Tobago. Adults of all species are illustrated, as are the male genitalia of Vettius tertianus (Herrich-Schäffer), Eutychide complana (Herrich- Schäffer) and E. subcordata subcordata (Herrich-Schäffer). The life histories of Vettius phyllus phyllus (Cramer) (from Colombian material), Justinia justinianus hyperythrus (Kaye), and E. s. subcordata are described and illustrated. Key words: Trinidad, Hesperiidae, Vettius , Turesis , Thoon , Justinia , Eutychide , Onophas, Naevolus, life history. INTRODUCTION sification, but as yet not the others. Over the years, I have treated the skipper butterflies of Increasingly, the internet provides a vehicle to make Trinidad in Living World (Cock 2007 and earlier) and all key rare works widely available, which might not oth- subfamilies and groups have now been covered apart from erwise have been consulted. The mammoth Biologia Evans’ (1955) genera Groups I and J.