New brachypterous species of Dichotomius Hope, with taxonomic notes in the subgenus Luederwaldtinia Martinez (Coleoptera: Scarabaeidae: Scarabaeinae)

作者：Nunes Rafael V^*; Vaz De Mello Fernando Z

来源：Zootaxa, 2013, 3609(4): 411-420.

DOI：10.11646/zootaxa.3609.4.3

• Neotropics
• brachypterism
• dung beetles

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 (Martinez, Halffter & Pereira). Some aspects of the evolution of flightlessness in Dichotomius are discussed.

• 出版日期2013-1-31