Revision of the bark beetles belonging to the genus Pseudohylesinus Swaine
By: by M.W. Blackman.
Series: Miscellaneous publication / United States Department of Agriculture -- no. 461; Miscellaneous publication (United States. Dept. of Agriculture) -- no. 461.
Publisher: U.S. Dept. of Agriculture
Published: 1942
Place of publication: Washington, D.C
Language: eng
Number of pages: 32
Subjects: Bark beetles -- Identification.; Pseudohylesinus.
Genres: Identification.
Description: The species of Pseudohylesinus, so far as now known, range from Alaska to Panama, and in the United States are confined to the western forests. In these forests the several species of true firs (Abies) most commonly serve as hosts for this genus of beetles.
Notes: Caption title.

"January 1942."

Errata slip inserted.

Includes index.