The beetles of the Lesser Antilles (Insecta, Coleoptera): diversity and distributions Author Peck, Stewart B. Research Associate Canadian Museum of Nature, PO Box 3443, Station D, Ottawa, ON K 1 P 6 P 4, Canada text Insecta Mundi 2016 2016-02-12 2016 460 1 360 journal article 10.5281/zenodo.5182961 1942-1354 5182961 37602764-FD97-40E0-B003-557279B97FCE SUBFAMILYCOPELATINAE Copelatus guadelupensis Legros 1948: 105 ; Nilsson 2001: 60. Distribution . Guadeloupe ; single island endemic. Copelatus insulanus Guignot 1939: 246 ; Blackwelder 1944-1957: 77; Legros 1948: 106; Nilsson 2001: 61. Distribution . Guadeloupe ; single island endemic. Copelatus posticatus (Fabricius) 1801: 268 ( Dytiscus ); Fleutiaux and Sallé 1890: 371; Blackwelder 1944- 1957: 78; Nilsson 2001: 62; Bass 2003: 279, 2004: 28, 2006b: 33; Ivieet al. 2008b: 238. Distribution . Antigua *, Barbados , Cuba , Dominica , Grenada , Guadeloupe, Hispaniola, Martinique*, Montserrat, Puerto Rico , St. Lucia , St. Vincent . Mexico to Panama to Venezuela , French Guiana, Brazil ; widespread Antillesand Latin America . Notes . Genitalia of the Lesser Antilles specimens (CMNC) match the figures of Copelatus insulanus Guignot given by Legros (1948: 106) so that species could be a synonym of Copelatus posticatus . Copelatus vitraci Legros 1948: 104 ; Nilsson 2001: 64. = Copelatus glyphicus (Say) 1823a: 99 ( Colymbetes ); Fleutiaux and Sallé 1890: 371; Blackwelder 1944-1957: 77; Larson et al. 2000: 51; Nilsson 2001: 60 (recordsof Cuba , of Guadeloupe). Distribution . Antigua *, Canouan*, Grenada *, Guadeloupe ( type locality), Martinique*, Mayreau*, Mustique, Nevis *, Union*; Lesser Antillesendemic? Note. Epler (2010: 5. 45) notes that Copelatus glyphicus (Say) is a more northern species, and genitalic illustrations of it do not match the Lesser Antilles specimens. The new records reported here match genitalic figures of Copelatus vitraci in Legros 1948: 106. Plate 2.