A revision of Megalocraerus Lewis, 1902 (Coleoptera, Histeridae: Exosternini)

Authors: Caterino, Michael Countries: Ecuador, France, Peru DOI: 10.3897/zookeys.557.7087 Published: Jan. 1, 2016 Source: ZooKeys OpenAlex: View in OpenAlex

Collection: Pensoft Publishers

Keywords: Histeridae · Topics: Coleoptera Taxonomy and Distribution, Coleoptera: Cerambycidae studies, Scarabaeidae Beetle Taxonomy and Biogeography

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The formely monotypic Neotropical genus Megalocraerus Lewis is revised to include five species, known from southeastern Brazil to Costa Rica: M. rubricatus Lewis, M. mandibularis sp. n., M. chico sp. n., M. madrededios sp. n., and M. tiputini sp. n. We describe the species, map their distributions, and provide a key for their identification. Their subcylindrical body form and emarginate mesosternum have previously hindered placement to tribe, although their curent assignment to Exosternini now appears well supported by morphological evidence. Nothing is known of the natural history of the species.

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