A New Species of Isocopris Pereira and Martínez, 1960 (Coleoptera: Scarabaeidae: Scarabaeinae) from the Southwest Brazilian Amazon

Arias-Buriticá, Jorge Armando, Bach, Andressa, Peres, Carlos A., Haugaasen, Torbjørn, Hawes, Joseph E., Azevedo, Renato A. and Vaz-De-Mello, Fernando Z. (2023) A New Species of Isocopris Pereira and Martínez, 1960 (Coleoptera: Scarabaeidae: Scarabaeinae) from the Southwest Brazilian Amazon. Coleopterists Bulletin, 77 (4). pp. 629-635. ISSN 0010-065X

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Abstract

A new species from the southwest Brazilian Amazon, Isocopris rossinii Arias-Buriticá, Bach, and Vaz-de-Mello, new species, is described along with a diagnosis, illustrations, and discussion of its taxonomic position in the genus. This new species is readily distinguished by a deep depression in the frons, a large and trapezoidal ventral clypeal process in lateral view, a glabrous metaventral anterior lobe, the morphology of the aedeagus with triangular and symmetrical parameres, the presence of a subgenital plate, and large and asymmetrical lamellae copulatrix. Females show secondary sexual dimorphism, with the elytral striae widened from the first to the fourth in the central area. Here we present an updated key for the species of the genus Isocopris Pereira and Martínez, 1960.

Item Type: Article
Additional Information: Publisher Copyright: © 2023 Coleopterists Society. All rights reserved.
Uncontrolled Keywords: amazonia,dung beetles,neotropical,scarabaeoidea,taxonomy,insect science ,/dk/atira/pure/subjectarea/asjc/1100/1109
Faculty \ School: Faculty of Science > School of Environmental Sciences
University of East Anglia Research Groups/Centres > Theme - ClimateUEA
UEA Research Groups: Faculty of Science > Research Groups > Environmental Biology
Faculty of Science > Research Centres > Centre for Ecology, Evolution and Conservation
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Depositing User: LivePure Connector
Date Deposited: 30 Mar 2026 16:30
Last Modified: 05 Apr 2026 05:30
URI: https://ueaeprints.uea.ac.uk/id/eprint/102655
DOI: 10.1649/0010-065X-77.4.629

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