CONTRIBUTION TO THE KNOWLEDGE OF THE INTERRELATIONS OF THE BUMBLEBEES OF ILLINOIS WITH THEIR ANIMATE ENVIRONMENT

Author: FRISON THEODORE H.  

Publisher: Entomological Society of America

ISSN: 1938-2901

Source: Annals of the Entomological Society of America, Vol.19, Iss.2, 1926-06, pp. : 203-235

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