Some Insects Injurious to Forests: I, the Locust Borer by A. D. Hopkins, in Charge of Forest Insect Investigations; II, the Western Pine-Destroying . III, Additional Data on the Lo

A practical survey of forest insects that threaten timber and how to prevent losses, from early field studies to modern control ideas.

This classic bulletin compiles key findings from forest entomology investigations, focusing on species like the locust borer and the western pine-destroying bark beetle. It presents the nature of the insects, the damage they cause, and practical prevention and control methods. Rich with field observations and historical data, the work aims to help foresters, investigators, and informed readers understand how insect depredations affect North American forests and timber products.

• Clear descriptions of insect behavior, life cycles, and the extent of damage
• Historical observations and updates from multiple field investigations
• Summary guidance on prevention, control, and propagating resistant trees
• References to publications for readers who want more detail