Forest sawflies of southern Ontario and their parasites
By: by Henri Raizenne.
Contributors: Canada. Dept. of Agriculture. Entomology Division.
Series: Publication -- 1009; Publication (Canada. Dept. of Agriculture) -- no. 1009
Publisher: Canada Dept. of Agriculture
Published: 1957
Place of publication: Ottawa
Language: eng
Number of pages: 45
Subjects: Sawflies.