Fossil Hymenoptera from Florissant, Colorado
By: by T.D.A. Cockerell. 
Series: Bulletin of the Museum of Comparative Zoology at Harvard College -- v. 50, no. 2 ; Bulletin of the Museum of Comparative Zoology -- v. 50.
Publisher: The Museum
Published: 1906
Place of publication: Cambridge, Mass
Language: eng
Number of pages: 58
Subjects: Hymenoptera, Fossil.