Resumo

DELLACASA, Marco; DELLACASA, Giovanni  e  GORDON, Robert D.. Systematic revision of the genus Cephalocyclus with description of ten new species from Mexico and Costa Rica (Scarabaeoidea: Aphodiidae). Acta Zool. Mex [online]. 2007, vol.23, n.2, pp.89-128. ISSN 2448-8445.

The genus Cephalocyclus Dellacasa M., Gordon & Dellacasa G. is revised for the first time. Ten new species are described: Cephalocyclus bordati, C. carmenae, C. cartagoensis, C. costaricensis, C. halffteri, C. howdenorum, C. lagoi, C. ordonezi, C. potosinus, and C. rockefelleri. Aphodius luteolus Horn, 1887 is transferred into genus Cephalocyclus; Aphodius pugil Balthasar, 1946 resulted a junior synonym of Cephalocyclus durangoensis (Bates, 1887) and Aphodius transversus Robinson, 1940 resulted a junior synonym of Cephalocyclus hogei (Bates, 1887). A key to the presently known 21 species of Cephalocyclus as well as descriptions and illustrations of all taxa are supplied.

Palavras-chave : Aphodiidae; Cephalocyclus; new species; new combination; new synonymies; taxonomy; distribution; Mexico; Costa Rica.

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