An insect trap
By: by P.A. Godwin
Contributors: United States. Agricultural Research Service; United States. Forest Service
Series: ARS -- 33-22; ARS (Series) (United States. Agricultural Research Service) -- 33-22.
Publisher: U.S. Dept. of Agriculture, Agricultural Research Service
Published: 1956
Place of publication: [Beltsville, Md.?]
Language: eng
Subjects: Insect pests; Research; White pine weevil
Notes: Caption title.

"June 1956."