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The South American endemic dung beetle genus Ennearabdus Lansberge is revised. Description, diagnosis and illustrations are presented for the only known species of the genus, E. lobocephalus (Harold). A lectotype is designated for Onthophagus lobocephalus Harold, the type species of Ennearabdus. The biology, biogeography, conservation status, and… (More)
(Coleoptera: Scarabaeoidea): study of morphology, phylogenetic analysis and evidence of paraphyly of Hybosoridae" (2004).
The South American genus Anomiopsoides Blackwelder is revised and now includes five species: A. au-rita (Burmeister), A. biloba (Burmeister), A. catamarcae Martínez, A. cavifrons (Burmeister), and A. heteroclyta (Blanchard). The following species names are new synonyms of A. heteroclyta (Blanchard): A. aberrans Martínez, A. pereirai (Martínez), and A.… (More)
Dung beetles use a variety of vertebrate dung to provision their offspring. To locate these resources, dung beetles use volatile substances emitted from dung as cues. Although it has been shown in laboratory tests that dung beetles are able to discriminate between different dung types using dung volatiles as kairomones, the attraction of particular dung… (More)
The scarab beetle genus Pseudogeniates Ohaus (Scarabaeidae: Rutelinae: Rutelini) is endemic to Argentina. The genus includes three species: Pseudogeniates cordobaensis Soula, Pseudogeniates intermedius Ohaus, and Pseudogeniates richterianus Ohaus. We characterize the genus, provide a key to species, redescribe and diagnose each species, provide spatial and… (More)