Woolly aphis of the apple (Schizoneura lanigera Hausmann)
By: [C.L. Marlatt]
Contributors: United States. Division of Entomology
Series: Circular / United States Department of Agriculture, Division of Entomology. Series 2 -- no. 20; Circular (United States. Division of Entomology) -- sec ser., no. 20.
Publisher: USDA
Published: 1897
Place of publication: [Washington, DC]
Language: eng
Subjects: Woolly aphis; Aphids; Apples; Diseases and pests