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Systematic revision and cladistic analysis of the Neotropical genera Mitragenius Solier, Auladera Solier and Patagonogenius gen. n. (Coleoptera: Tenebrionidae)

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The genera Mitragenius, Auladera and Patagonogenius gen. n. (Pimeliinae: Nycteliini), distributed in Argentina and central Chile, are revised and a cladistic analysis including 20 species is conducted. The cladistic sequence revealed that former Mitragenius is polyphyletic, requiring removal of seven species to a new genus, described herein as Patagonogenius. Mitragenius comprises nine species: M. tristis Kulzer, M. costatus Kulzer, M. araneiformis Curtis, M. coarcticollis Fairmaire, M. nudus Berg, M. hirtulus Kulzer, M. planicollis sp. n., M. obscuratus Peña and M. dejeanii Solier. Auladera includes four species: A. crenicosta (Guérin), A. andicola (Lacordaire), A. rugicollis (Philippi & Philippi) stat. rev. andA. atronitens Kulzer. Patagonogenius comprises seven species: P. breviangulus (Kulzer) comb. n., P. gentilii (Peña) comb. n., P. quadricollis (Fairmaire) comb. n. (type species), P. collaris (Kulzer) comb. n., P. acutangulus (Kulzer) comb. n., P. kulzeri (Marcuzzi) comb. n. and P. elegans (Peña) comb. n. Mitragenius pusillus Marcuzzi is synonymized with Patagonogenius collaris (Kulzer) and Auladera andicola rugicollis (Philippi & Philippi) is elevated to species status. The paper includes a cladogram, a discussion of the phylogeny of the three genera, redescriptions or descriptions of the three genera and of their 20 species, four dichotomous keys, habitus photographs, drawings of genitalic features and distribution maps.

Affiliations: 1: G. E. Flores,Instituto Argentino de Investigaciones de las Zonas Aridas (IADIZA, CRICYT), Casilla de Correo 507, 5500 Mendoza, Argentina

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/content/journals/10.1163/187631200x00516
1999-01-01
2016-08-28

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