Title: Life history notes on some Egyptian solitary wasps and bees and their associates (Hymenoptera: Aculeata)
Authors: Krombein, Karl V.
Publisher: Smithsonian Institution Press; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.]
Year: 1969
Subjects: Solitary wasps Egypt.; Bees Egypt.; Insects Egypt.