Holocanthon is a dung beetle genus distributed across South American open environments such as the Humid Chaco, the Brazilian Cerrado and the Argentinian Espinal, as well as some more forested localities in the southern Atlantic Forest and in the Bolivian and Argentinian Yungas. Considered monospecific for more than 60 years, the genus now includes two species: H. fuscorubrus (Blanchard, 1846), new comb. (= H. mateui Martínez et Pereira, 1956, new junior subjective synonym), from Paraguay, Argentina and southern Brazil, and H. giosilvai Sawaris, Cupello & Vaz-de-Mello sp. nov., known only from three distant localities in Bolivia and southern Brazil. The lectotype of Canthon fuscorubrus is herein designated from the only known syntype, while the holotype and the rest of the type series of H. mateui is deemed to be lost.
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30 September 2019
Taxonomic Revision of the Rare South American Dung Beetle Genus Holocanthon Martínez et Pereira, 1956 (Coleoptera: Scarabaeidae: Scarabaeinae: Deltochilini)
Lucas Sawaris,
Mario Cupello,
Fernando Z. Vaz-de-Mello
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Annales Zoologici
Vol. 69 • No. 3
September 2019
Vol. 69 • No. 3
September 2019
description
identification key
neotropical
new species
synonymy