Extension > Garden > Diagnose a problem > What insect is this? > Garden Pests > Beetles, bugs, ants, and other insects without obvious wings - 1/4 inch - 1/2 inch long > Plum curculio

Plum curculio

Conotrachelus nenuphar

Jerry A. Payne, Bugwood.org

Clemson University, USDA Coop. Ext., Bugwood.org

Description: 1/4 inch long.
Head and body are mottled with orange, gray, black and brown. Head has a conspicuous snout. There are four ridges (humps) on the wing covers.

Where/When: Apple and plum; also apricot, pears, peach, cherry, crabapple are hosts. Appear in May or June at blossom time.

Significance: Causes scarring or lumpiness on fruits. May cause premature fruit drop.

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