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The first Leptanilloides species (Hymenoptera: Formicidae: Leptanilloidinae) from eastern South America

2013; Taylor & Francis; Volume: 47; Issue: 31-32 Linguagem: Inglês

10.1080/00222933.2012.763058

1464-5262

Rogério Rosa da Silva, Rodrigo M. Feitosa, Carlos Roberto Ferreira Brandão, André Victor Lucci Freitas,

Animal and Plant Science Education

Abstract We describe a species of the exclusively Neotropical dorylomorph ant genus Leptanilloides (Leptanilloidinae), Leptanilloides atlantica sp. nov., based on workers collected in the Atlantic Forest, São Paulo, south-eastern Brazil. The 11 species of Leptanilloides described are known from relatively high altitudes in western America (from the Andes foothills in Bolivia to Sierra Morena in Mexico). The discovery of a Leptanilloides species in south-eastern Brazil represents a significant range extension for the genus; this new species shares characters with Leptanilloides biconstricta (Bolivia), Leptanilloides femoralis (Venezuela) and Leptanilloides gracilis (Mexico) and may be distinguished based on a combination of traits. The hypogaeic habits of Leptanilloidinae combined with inefficient collecting techniques may explain the paucity of information and of specimens of this group in most museum collections as well as its present apparent disjunct distribution. We compare Leptanilloides distribution to that of other organisms that show similar disjunct patterns in the Andes and montane sites in the Brazilian Atlantic Forest. http://www.zoobank.org/urn:lsid:zoobank.org:pub:E7E334AA-58C0-455D-A0A6-724D29226DD0 Keywords: antsAtlantic Foresttaxonomydisjunct distributionBrazil Acknowledgements We acknowledge support from the Fundação à Pesquisa do Estado de São Paulo, Biota Program (grant 98/05083-0 to C.R.F. Brandão) and research grants to R.R. Silva (10/20570-8 and 10/51194-1), R.M. Feitosa (07/01310-2 and 11/24160-1) and A.V.L. Freitas (11/50225-3). C.R.F. Brandão and A.V.L. Freitas are fellows of the Brazilian National Council for Science and Technology Development (CNPq). Lara M. Guimarães (MZSP) kindly prepared the scanning electron micrographs; Lívia P. do Prado and Ricardo Kawada prepared the high-definition images. Tatiane Gisele Alves Alves kindly sent us Leptanilloides atlantica samples.