Pear thrips on forest trees
By: [James O'Brien and Parker Snowden]
Contributors: Snowden, Parker; United States. State and Private Forestry. Northeastern Area
Edition: Rev. 5/89.
Series: Pest alert; NA-FB/P -- 34
Publisher: U.S. Dept. of Agriculture, Forest Service, Northeastern Area
Published: 1989
Place of publication: [Broomall, Pa.?]
Language: eng
Subjects: Pear thrips; Pear; Trees; Diseases and pests
Notes: Caption title.