contribution to the knowledge of Hyalophora (Hyalophora) columbia (Lep.: Saturniidae).
Contributors: Toronto Entomologists Association.
Series: Occasional publications -- no. 2; Occasional publication (Toronto Entomologists' Association) -- no. 2
Publisher: Toronto Entomologists' Association
Published: 1970
Place of publication: [Toronto]
Language: eng
Number of pages: 21
Subjects: Hyalophora; Butterflies -- Ontario
Other titles: Contribution to the knowledge of Hyalophora columbia
Notes: "Printed as M.S."

"1970 seasonal summary." -- Cover.