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Zootaxa 165: 1-7 (2003) ISSN 1175-5326 (print edition) /zootaxa/ Z O O T A X A 165 Copyright © 2003 Magnolia Press ISSN 1175-5334 (online edition) Mayatyphlus carltoni Gusarov, a new genus and species of leptotyphline staphylinid beetle from Belize (Coleoptera: Staphylinidae: Leptotyphlinae) VLADIMIR I. GUSAROV Division of Entomology, Natural History Museum, University of Kansas, Lawrence, KS 66045-7523, U.S.A. and Department of Entomology, St. Petersburg State University, Universitetskaya nab., 7/9, St. Petersburg 199034, Russia. vlad@ Abstract Mayatyphlus carltoni Gusarov, gen. n. and sp. n. of the tribe Neotyphlini is described from Belize. Diagnostic characters and illustrations are provided to distinguish Mayatyphlus from closely related genera. Key words: Coleoptera, Staphylinidae, Leptotyphlinae, Neotyphlini, Mayatyphlus, Neotropical, taxonomy, nomenclature, new genus, new species Introduction The staphylinid subfamily Leptotyphlinae includes exclusively blind and wingless soil- dwelling beetles represented by 43 genera and 517 species in all zoogeographical regions (Herman 2001; Gusarov 2001; Gusarov, in press). The subfamily is most diverse in tem- perate regions with Mediterranean type of climate where 98% of all known species occur. In Nearctic and Neotropical regions most species of leptotyphlines are described from Cal- ifornia (12 species; Coiffait 1959, 1962; Sáiz 1975a; Gusarov 2001) and Chile (25 species; Coiffait 1963; Coiffait Sáiz 1965; Sáiz 1974, 1975b). However, the fact that leptotyph- lines were found in Venezuela (1 species; Decu 1990), Guatemala (1 species; Gusarov, in press), Mexico (9 species; Navarrete-Heredia et al. 2002), Cuba (2 species; Coiffa