Latest Articles from Deutsche Entomologische Zeitschrift Latest 1 Articles from Deutsche Entomologische Zeitschrift https://dez.pensoft.net/ Fri, 29 Mar 2024 12:36:26 +0200 Pensoft FeedCreator https://dez.pensoft.net/i/logo.jpg Latest Articles from Deutsche Entomologische Zeitschrift https://dez.pensoft.net/ A review of the genus Oosternum Sharp of the West Indies (Coleoptera: Hydrophilidae: Sphaeridiinae) https://dez.pensoft.net/article/1128/ Deutsche Entomologische Zeitschrift 61(1): 43-63

DOI: 10.3897/dez.61.7566

Authors: Albert Deler-Hernández, Franklyn Cala-Riquelme, Martin Fikácek

Abstract: The representatives of the genus Oosternum Sharp, 1882 occurring in the West Indies are revised. Ten species are recorded, of which seven are here described as new: Oosternum andersoni sp. n. (Cuba), O. bacharenge sp. n. (Dominican Republic), O. cercyonoides sp. n. (Jamaica), O. insulare sp. n. (Jamaica), O. luciae sp. n. (Saint Lucia), O. megnai sp. n. (Cuba) and O. pecki sp. n. (Dominican Republic). Diagnoses and detailed distributional data are also provided for O. sharpi Hansen, 1999 (widespread throughout both Greater and Lesser Antilles), O. latum Fikáček, Hebauer & Hansen, 2009 (endemic to St. Vincent) and an undescribed species from the Bahamas. A key to the West Indian Oosternum is provided and important diagnostic characters are illustrated. The West Indian fauna of Oosternum contains representatives of five different species groups and likely originated by multiple independent colonizations from the American continent. Within the study region, the highest diversity is known from the Greater Antilles, where two endemic species each in Cuba, Jamaica, and Hispaniola. The populations of O. sharpi were found to consist exclusively of females on all islands with the exception Puerto Rico.

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Research Article Fri, 30 May 2014 07:00:00 +0300