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Extension > Garden > Diagnose a problem > What insect is this? > Insects found indoors > Beetles, bugs, ants, and other insects without obvious wings - Larger than 1/2 inch long > Boxelder bug

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Boxelder bug

Boxelder bug

Jeff Hahn

Boxelder bugs

Jeff Hahn

Size: 1/2 inch long

Where/When: Found in and around homes during fall and spring and occasionally during winter.

Significance: Generally does not harm people or property, although it can be a nuisance, especially when large numbers are present. can stain surfaces.

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