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On the Ecology and Systematics of Coloradan Bumblebees
By Byron, Peggy Ann
Thesis, University of Colorado, Boulder CO, 1980
Cite: 58373 with citation markup [cite:58373]
193 pp. Contains descriptions of 20 species and subspecies of Bombus and 3 species of Psithyrus in Colorado, also a key to males and females to Colorado Bombus and Psithyrus. No images.
Contributed by Adalbert Goertz on 18 June, 2006 - 10:13am
Last updated 18 June, 2006 - 4:56pm

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