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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 > Rose curculio

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Rose curculio

Merhynchites bicolor

Rose curculio

Jeff Hahn, University of Minnesota

Size: 1/4 inch long

Where/When: Feeds on flower buds and stems of roses. Active in June and July.

Significance: Causes damaged petals and dead shoot tips. Feeding on stem below bud may cause stem to bend over.

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