ash genetice -- 002

ash genetice -- 002

3 stages of emerald as borer

Three views of the emerald ash borer, the invasive insect that is wiping out green and white ash trees: strangely handsome adult beetle (top) pupa found under the bark (lower left) and a a beetle peering out of a characteristic D-shaped hole that they bore.

IMAGE: David Cappaert, Bugwood.org, Greg Hoover/Penn State, Missouri Department of Conservation