Response of the engraver beetle, Ips perturbatus, to semiochemicals in white spruce stands of interior Alaska
By: Richard A. Werner.
Contributors: Pacific Northwest Research Station (Portland, Or.)
Series: Research paper PNW-RP -- 465.; Research paper PNW -- 465.
Publisher: U.S. Dept. of Agriculture, Pacific Northwest Research Station
Published: 1993
Place of publication: Portland, OR
Language: eng
Subjects: Bark beetles -- Control -- Alaska.; Bark beetles -- Alaska.; White spruce -- Diseases and pests -- Alaska.; Semiochemicals -- Physiological effect.
Notes: Shipping list no.: 94-1295-M.

Cover title.

"May 1993".

Includes bibliographical references (p. 5-7).

Also issued online.