Two currant aphids that migrate to willow-herbs
By: by Edith M. Patch
Series: Bulletin / Maine Agricultural Experiment Station -- 336; Experiment station bulletin (Maine Agricultural Experiment Station) -- 336
Publisher: Maine Agricultural Experiment Station
Published: 1927
Place of publication: Orono, Me
Language: eng
Subjects: Aphids; Currants; Diseases and pests; Gooseberries
Notes: Cover title.