Title
Descriptions of North American Hymenoptera in the collection of the Entomological Society of Philadelphia
By
Cresson, E. T. (Ezra Townsend), 1838-1926
Original Publication
Proceedings of the Entomological Society of Philadelphia
Published by
Philadelphia, [Printed by the Society], 1863-1867
Identifiers
BioStor:
https://biostor.org/reference/70143