New species of North American bees of the genus Dufourea (Hymenoptera, Halictidae) with descriptions of two previously underscribed females
By: prepared by Science and Education Administration
Contributors: United States. Science and Education Administration
Series: Technical bulletin -- no. 1618; Technical bulletin (United States. Dept. of Agriculture) -- no. 1618
Publisher: The Administration
Published: 1980
Place of publication: Washington, D.C
Language: eng
Number of pages: 21
Subjects: Bees -- North America; Dufourea
Notes: "Issued September 1980"--T.p. verso