A revision of the bembicine wasps of America north of Mexico /
By John Bernard Parker.
- Washington, Govt. Print. Off., 1917.
- 155 p. illus. 24 cm.
Dissertation t.p. added and used as cover. "No. 2173.--From the Proceedings of the United States National Museum, vol. 52, pages 1-155. Published February 10, 1917."
18015648
Wasps--North America. Vespas--América do Norte. Sphecidae--North America.