A revision of the nearctic species of the tribe Parydrini (Diptera, Ephydridae)
By: by Philip J. Clausen and Edwin F. Cook.
Contributors: Cook, Edwin F.
Series: Memoirs - American Entomological Society ; no. 27; Memoirs of the American Entomological Society -- no. 27.
Publisher: American Entomological Society
Published: 1971
Place of publication: Philadelphia
Language: eng
Number of pages: 150
Subjects: Diptera.
Notes: "A modification of a dissertation ... " by Philip Joseph Clausen, University of Minnesota, 1969.

Includes index.

Bibliography: p. 112-116.