The walking stick as a forest defoliator
By: by Samuel A. Graham.
Series: University of Michigan. School of Forestry and Conservation. Circular; no. 3
Publisher: University of Michigan press
Published: 1937
Place of publication: Ann Arbor
Language: eng
Number of pages: 28
Subjects: Diapheromera femorata; Trees -- Diseases and pests; Insects -- Michigan; Trees -- Michigan