Anoplophora glabripennis

Coleoptera: Cerambycidae

Identification
• Larva is white, legless, soft-bodied, and up to 3" long.
• Adult is a 1 - 1¹/₄" long, stout, shiny black beetle with about 40 white dots. Its antennae are at least as long as the body. (a)

Damage
• Young larvae tunnel under the bark, whereas older larvae tunnel deeper into the trunk and branches. (b)
• This larval tunneling causes severe dieback of branches.
• Attacks living, healthy maple, elm, ash, horsechestnut, box elder, poplar, willow, mulberry, black locust, black pear, and plum.
• The adult emerges through a round hole ³/₈" or larger in diameter. (c)
• Eggs are laid in shallow, tapering, ¹/₄" diameter round pits in the bark. (d)

Management
• Report possible specimens or damage to your local Extension office or Department of Agriculture office.
• Infestations will be eradicated on an area-wide basis by Department of Agriculture authorities.