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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 > Three-lined potato beetle

Three-lined potato beetle
Photo Credit: Jeff Hahn, Univ. of MN Three-lined potato beetle
Photo Credit: Brenda Postels, UM Ext.

Three-lined potato beetle
Lema daturaphila
Size: 1/4 - 5/16 inch long

Where/When: Feeds on tomatillos, potatoes, and other plants in the nightshade family (Solanaceae). Active from May through August.

Significance: Usually occurs in low numbers and is not considered a pest although it may become numerous in localized sites.
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