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Extension > Garden > Diagnose a problem > What insect is this? > Garden Pests > Beetles, bugs, ants, and other insects without obvious wings - Under 1/4 inch long > Striped cucumber beetle

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Striped cucumber beetle

Acalymma vittatum

Striped cucumber beetle.

Jeff Hahn, University of Minnesota Extension

Striped cucumber beetle.

Jeff Hahn, University of Minnesota Extension

Description: 1/5 inch long. Yellow with three black stripes running down the wing covers.

Where/When: Feeds primarily on cucumbers, squash, melons, and pumpkins. Active from May through August.

Significance: May kill or retard growth of seedlings, if numbers are severe. Vector of bacterial wilt in curcurbits and of cucumber mosaic virus.

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