Zootaxa, Araneae: Theraphosidae

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Zootaxa 671: 1–14 (2004) ISSN 1175-5326 (print edition) www.mapress.com/zootaxa/ ZOOTAXA 671 Copyright © 2004 Magnolia Press ISSN 1175-5334 (online edition) Description of Catumiri n. gen. and three new species (Theraphosidae: Ischnocolinae) JOSÉ PAULO LEITE GUADANUCCI Museu de Zoologia da Universidade de São Paulo. Av. Nazaré, 481, Ipiranga, CEP: 04263-000 São Paulo, SP – Brasil ABSTRACT The new Ischnocolinae genus Catumiri is described. The species Cenobiopelma argentinense (Mello-Leitão, 1934), considered a junior synonym of Oligoxystre Vellard, 1924, is transferred to the present genus. Three new species are also described: C. chicaoi n. sp., from south of Bahia, Una; C. petropolium n. sp., from Petrópolis, Rio de Janeiro (type species); and C. uruguayense n. sp., from Lavalleja, Uruguay. Diagnosis, zoogeographical distribution and an identification key are provided for all species. Key words: new genus, systematics, Mygalomorphae INTRODUCTION The Theraphosidae subfamily Ischnocolinae has a problematic taxonomy and had been considered to be paraphyletic (Raven, 1985). Ausserer (1871) described the genus Ischno- colus (type-genus) based on the divided tarsal scopula. The character state “divided scopula”, although considered a good taxonomic tool (Ausserer, 1871; Simon, 1889; Gerschman & Schiapelli, 1973a), is plesiomorphic for the tarsal scopula (Pérez-Miles, 1992). The early instars of all Theraphosidae present this plesiomorphic state, and some juvenile specimens were wrongly described within the Ischnocolinae (Pérez-Miles, 1992). This problem was partially clarified when Raven (1985) considered the Ischnocolinae a paraphyletic group that needed to be revised at the genus level and have their monophyl- etic units determined. The subfamily Ischnocolinae has broadest zoogeographical distribution of all other Theraphosidae subfamilies: northern and central Africa, Middle-East, Mediterranean region of Europe, Central and South America and Antilles (Smith, 1990; Rudloff, 1997; Vol, 2001). Accepted by P. Jäger: 18 Sept. 2004; published: 4 Oct. 2004 1.

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