Title
Some notes upon the types of North and South American Syrphid flies in the British Museum (Natural History)
By
Hull, Frank M. (Frank Montgomery), 1901-1982
Original Publication
Proceedings of the Entomological Society of Washington
Published by
Washington, etc, Entomological Society of Washington,
Identifiers
BioStor:
https://biostor.org/reference/73161
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