Spruce and giant conifer aphids
By: prepared by Forest Service, Alaska Region.
Contributors: United States. Forest Service. Alaska Region.; United States. Dept. of Agriculture.
Series: Leaflet R10-TP -- 96.
Publisher: U.S. Dept. of Agriculture
Published: 2001
Place of publication: [Washington, D.C.?]
Language: eng
Subjects: Spruce -- Diseases and pests -- Alaska.; Forest insects -- Environmental aspects -- Alaska.; Trees -- Diseases and pests -- Research -- Alaska.
Notes: Shipping list no.: 2002-0138-P.

"August 2001."

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