Racial Differentiation in Nearctic Species of Dianthidium (Hymenoptera, Apoidea)
Timberlake, P. H. (Philip Hunter), 1883-1981
Article
1943
Journal of the New York Entomological Society
51
71--109
BioStor
English
Lawrence, Kan Allen Press [etc.]
BioStor: https://biostor.org/reference/170783
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