Credit: Photos courtesy of NAU's Ecological Restoration Institute
Entomology professor Richard Hofstetter is studying infested ponderosa pine trees. Under the bark, bark beetles tunnel, mate, lay eggs and eat the living part of the tree.
Credit: Photos courtesy of NAU's Ecological Restoration Institute
The Ips bark beetle, shown here in a Petri dish, is barely a quarter-of-an-inch long, but this tiny killer can destroy millions of acres of trees when attacking by the thousands.