Triplax collaris is a species of beetle of the Erotylidae family. This species is found in Europe.Erotylidae (Insecta, Coleoptera) of Poland – problematic taxa, updated keys and new records
The variety sulphuricollis, named by Reitter in 1887, was sometimes treated as a subspecies or even full species. However, it seems to be a mere color morph with no formal taxonomical standing.Chûjô, Michio, Michio & Chûjô, Michitaka (1990): A catalog of the Erotylidae (Insecta, Coleoptera) from the old world (excl. the Ethiopian region III. Esakia 29: 1-67. PDF fulltext.
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