funnel trap in orchard
Funnel traps like this four-unit Lindgren funnel trap are often used for trapping bark beetles, as their shape superficially mimics the silhouette of a tree’s trunk. (Photo by Jackson Audley, Ph.D.)
Funnel traps like this four-unit Lindgren funnel trap are often used for trapping bark beetles, as their shape superficially mimics the silhouette of a tree’s trunk. (Photo by Jackson Audley, Ph.D.)