DOI: http://dx.doi.org/10.11646/zootaxa.3609.4.3
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New brachypterous species of Dichotomius Hope, with taxonomic notes in the subgenus Luederwaldtinia Martínez (Coleoptera: Scarabaeidae: Scarabaeinae)

RAFAEL V. NUNES, FERNANDO Z. VAZ-DE-MELLO

Abstract


An overview of the subgenus Dichotomius (Luederwaldtnia) and its species groups is presented with species groups proposed and a provisional identification key provided. Dichotomius (Luederwaldtnia) vidaurrei, a brachypterous new species from Bolivia, is described. Another brachypterous species, from Brazil, D. mysticus (Luederwaldt) is redescribed. Dichotomius paraguayanus Gandini & Aguilar is synonymized with Canthidium kelleri (Martínez, Halffter & Pereira). Some aspects of the evolution of flightlessness in Dichotomius are discussed.


Keywords


Neotropics, brachypterism, dung beetles

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ISSN 1175-5326 (Print Edition) & ISSN 1175-5334 (Online Edition)
Published by Magnolia Press, Auckland, New Zealand
A founding journal of Biotaxa