Revision of the Neotropical dung beetle genera Scatimus Erichson and Scatrichus gen. nov. (Coleoptera: Scarabaeidae, Scarabaeinae)

  • Génier F
  • Kohlmann B
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Abstract

The genera Scatimus Erichson and Scatrichus gen. nov. are herein revised. We propose a new genus, Scatrichus gen. nov. which comprises Scatrichus bicarinatus (Harold), formerly included in Scatimus, and two new species: S. goiasensis sp. nov. and S. sulcifer sp. nov. This new genus is endemic to the Altiplano and Atlantic forest of Brazil. Scatimus now comprises 12 species, of which four are new, and are divided into three groups based on the phylogenetic analysis as follows: S. fernandezi Martínez,S. ovatus Harold and S. simulator Martínez (ovatus group); S. cribrosus sp. nov., S. erinnyos Kohlmann & Solís, S. furcatus Balthasar, S. onorei sp. nov., S. pacificus sp. nov., S. quadricuspis sp. nov. and S. strandi Balthasar (strandi group); S. cucullatus Erichson and S. monstrosus Balthasar (cucullatus group). Scatimus patruelis Preudhomme and Scatimus quadridentatus Balthasar are both synonyms of Scatimus ovatus Harold. We designate neotypes for Scatimus bicarinatus Harold and Scatimus ovatus Harold as presumed syntype material does not match the original description and no other specimens could be found. We also designate lectotypes and paralectotypes for Scatimus cucullatus Erichson and Scatimus monstrosus Balthasar. Finally, we investigate therelationship between species and some closely related genera through a phylogenetic analysis, and provide identification keys in English and French, diagnostic illustrations and distribution maps for all the taxa

Author-supplied keywords

  • ANIMALS. INVERTEBRATES. ARTHROPODS. INSECTS. COLEO

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Authors

  • François Génier

  • Bert Kohlmann

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