Class book of economic entomology
Subtitle: with special reference to the economic insects of the northern United States and Canada
By: by William Lochhead ... with 257 illustrations.
Publisher: Blakiston
Published: 1919
Place of publication: Philadelphia
Language: eng
Number of pages: 436
Subjects: Beneficial insects; Insect pests; Insects -- United States; Insects -- Canada
Other titles: Economic entomology.