Plum curculio
Insect
Plum curculio
Conotrachelus nenuphar (Herbst)
Coleoptera: Curculionidae
Distribution: Widespread and a major pest in most fruit-growing states and provinces in eastern North America.
The adult is mottled grayish black and brown (A). Its head is prolonged into a large but short snout that bears antennae. Each elytron has a series of humps with the 2nd and 3rd pairs separated by a clear transverse band. The white elliptical eggs are deposited under the skin of the fruit in a crescent-shaped slit. The whitish larva, with no functional legs, has a C-shaped body, an elliptical head and a brown thoracic shield (B).