A contribution to the knowledge of the mountain entomofauna of Mexico with a description of two new species of Onthophagus ...
By Victor Moctezuma, Michele Rossini, Mario Zunino, Gonzalo Halffter
Full title: A contribution to the knowledge of the mountain entomofauna of Mexico with a description of two new species of Onthophagus Latreille, 1802 (Coleoptera, Scarabaeidae, Scarabaeinae)
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