Studies of North American bees of the genus Hylaeus
By: by Roy R. Snelling.
Series: Contributions in science, no. 98, 144, 180; Contributions in science,; no. 98 [etc.]
Publisher: Los Angeles County Museum of Natural History
Published: 1966
Place of publication: Los Angeles
Language: eng
Subjects: Hylaeus -- North America.; Bees -- North America.
Notes: Includes bibliographies.
Vol. 2 issued in v. 79 [no. 20] p. 139-143, of Proceedings of the Biological Society of Washington; v. 3 in v. 65, no. 3, p. 164-175, of Bulletin of the Southern California Academy of Sciences.
Table of contents: title: 1. Distribution of the western species of the subgenus Prosopis with descriptions of new forms (Hymenoptera: Colletidae).; title: 2. Description of a new subgenus and species.; title: 3. The Nearctic subgenera.; title: 4. The subgenera Cephalylaeus, Metziella and Hylaeana (Hymenoptera: Colletidae).; title: 5. The subgenera Hylaeus, S. Str. and Paraprosopis (Hymenoptera: Colletidae)