ISBN: 0802054994

Description: xii, 357 pages, 17 unnumbered pages of plates : illustrations, portraits ; 24 cm

Notes:

• Includes bibliographical references and index.
• SPL: Canadiana.

Control Number: 12369

Subjects:

• Beneficial insects -- Canada, Western -- History.
• Entomology -- Canada, Western -- History.
• Insect pests -- Control -- Canada, Western -- History.
• Insects -- Canada, Western -- History.