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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 > Bumblebees

Bumble bee
Photo Credit: Jeff Hahn, Univ. of MN Bumble bee 2
Photo Credit: Jeff Hahn, Univ. of MN

Bombus spp.
Size: 3/8 to 5/8 inch long

Where/When: Commonly found visiting flowers. Typically nest in old burrows in the ground and other cavities. Active from spring until fall.

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