A taxonomic revision of the New World moth genus Pero (Lepidoptera--Geometridae)
By: by Robert W. Poole
Series: Technical bulletin / United States Department of Agriculture, Agricultural Research Service -- no. 1698; Technical bulletin (United States. Department of Agriculture) -- no. 1698
Publisher: U.S. Dept. of Agriculture, Agricultural Research Service; Available from N.T.I.S.
Published: 1987
Place of publication: Washington, D.C; Springfield, Va
Language: eng
Number of pages: 257
Subjects: Pero; Classification; Moths; Geometridae
Notes: Partially funded by Allied Chemical Foundation.

"Issued March 1987"--T.p. verso.

Includes index.

Bibliography: p. 134-136.