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A monograph of Trichonta with a model for the distribution of Holarctic Mycetophilidae (Diptera) /

Bibliographic Details
Main Author: Gagné, Raymond J.
Corporate Author: United States. Science and Education Administration
Format: Government Document Book
Language:English
Published: Washington, D.C. : U.S. Dept. of Agriculture, Science and Education Administration, 1981.
Series:Technical bulletin (United States. Department of Agriculture) ; no. 1638.
Subjects:
Diptera > Identification.
Insects > Geographical distribution.
Fungus gnats.
Description
Item Description:"Issued September 1981"--P. [2]
Physical Description:64 pages : illustrations, maps ; 28 cm.
Bibliography:Bibliography: pages 31-33.