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The eyeless beetles of the genus Arianops Brendel (Coleoptera, Pselaphidae)
By Thomas C. Barr, Jr
Bulletin of the American Museum of Natural History 154:1, pp. 1-52, 1974
Cite: 1781557 with citation markup [cite:1781557]
25 new species are described, redescriptions are provided for the six previously described species. The 31 species are placed into seven informal species groups. Notes on natural history and collecting techniques are provided, along with a key to species and genitalia illustrations.

Currently (22-Feb-2020) a PDF copy of this paper can easily be found just by entering the title into an internet search engine.