Spruce aphid in the Southwest
By: by Jill L. Wilson and Ann M. Lynch ; prepared by Forest Service, Southwestern Region
Contributors: Lynch, Ann M; United States. Forest Service. Southwestern Region
Publisher: U.S. Dept. of Agriculture
Published: 1998
Place of publication: [Washington, D.C.?]
Language: eng
Subjects: Aphids -- Southwestern States; Defoliation -- Southwestern States; Spruce -- Diseases and pests -- Southwestern States
Notes: Shipping list no.: 98-0307-P

"6/98"--P. [6]