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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 > Fourlined plant bug

Fourlined plant bug

Poecilocapsus lineatus

Fourlined plant bug

Jeff Hahn, University of Minnesota

Fourlined plant bug

Jeff Hahn, University of Minnesota


Size: 1/16 - 3/8 inch long

Where/When: Nymphs and adults feed on herbaceous perennials, such as chrysanthemum, wild mint, catnip, peppermint, spearmint, oregano, Chinese lantern, liatris, basil, and Shasta daisy. They may feed on fruits, especially currant and gooseberry, as well as woody ornamentals like azalea, dogwood, forsythia, viburnum, amur maple, and sumac. Flowering annuals, like marigolds, may also be fed upon. Active from mid to late May until early July.

Significance: Usually only causes cosmetic damage although large numbers may be injurious to herbaceous plants.

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