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Extension > Garden > Diagnose a problem > What insect is this? > Garden Pests > Flies, moths, wasps,and other insects with obvious wings - 1/4 to 3/4 inch long > Leaf-cutter bees

Leaf-cutter bees

Megachile spp.

Leaf-cutter bee

Jeff Hahn, University of Minnesota

Leaf-cutter bee 2

Jeff Hahn, University of Minnesota

Size: 1/2 inch long

Where/When: Make semi-circular or circular notches on leaves of many broadleaf plants, such as rose, ash, lilac, and Virginia creeper. Active from May through August.

Significance: Cause cosmetic damage to leaves. Insects are beneficial pollinators and should not be harmed.

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