A systematic analysis of the pine pitch midges, Cecidomyia spp. (Diptera: Cecidomyiidae)
By: by Raymond J. Gagneâ ; prepared by Science and Education Administration
Contributors: United States. Science and Education Administration
Series: Technical bulletin - Dept. of Agriculture ; no. 1575; Technical bulletin (United States. Dept. of Agriculture) -- no. 1575
Publisher: Dept. of Agriculture, Science and Education Administration : for sale by the Supt. of Docs., U.S. Govt. Print. Off
Published: 1978
Place of publication: [Washington]
Language: eng
Number of pages: 18
Subjects: Diptera -- North America -- Identification
Notes: Issued Nov. 1978

Bibliography: p. 9-10