Browse All : Animalia | Arthropoda | Insecta | Diptera | Empididae and Naturalists--Colorado by Cockerell, Theodore D. A. (Theodore Dru Alison), 1866-1948, author from ca. 1908 - UC Boulder
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ca. 1908
Notes on Empis miocenica
Cockerell, Theodore D. A. (T
[research notes, application