Plum Curculio on Apple
Return to Insects
Plum curculio (Conotrachelus nenuphar) adult is a typical snout beetle, a 1/4 inch long, dark brown with patches of white or gray, and four prominent humps on wing covers. Injury will appear as a 1/8 of an inch crescent-shaped cut on fruit surface. Larvae are legless, grayish-white grubs with brown heads, and 1⁄3 inch when full grown.
Plum curculio feeding damage.
(Photo: Ricardo Bessin, University of Kentucky)
Plum curculio feeding damage.
(Photo: Ricardo Bessin, University of Kentucky)
Plum curculio larva.
(Photo: Ricardo Bessin, University of Kentucky)
Plum curculio adult.
(Photo: Ricardo Bessin, University of Kentucky)
Management:
- Insecticides when damage is first observed or at first-cover