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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 > Paper wasps

Paper wasp
Photo Credit: Jeff Hahn, Univ. of Minnesota Paper wasp 2
Photo Credit: Jeff Hahn, Univ. of Minnesota

Paper wasps
Polistes spp.
Size: 5/8 to 3/4 inch long

Where/When: Commonly visits flowers, especially during late summer and fall. Commonly nest under horizontal surfaces around the outside of homes and other buildings. Active from spring until fall.

Significance: They are a pest because of their ability to sting. They are generally not aggressive when visiting flowers. They are more likely to sting when their nest is threatened.
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