Skip to Main navigation Skip to Left navigation Skip to Main content Skip to Footer

University of Minnesota Extension

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 > Large milkweed bug nymph

Print Icon Email Icon Share Icon

Large milkweed bug nymph

Oncopeltus fasciatus

Tarnished plant bug

Size: Up to 1/2 inch long

Description: Young nymphs with bright orange abdomen; their abdomen turns more yellow orange with black spots as nymphs grow larger. Nymphs develop black wing pads

Where/When: Found feeding on the seeds of milkweed plants during mid to late summer.

Significance: They do not cause any significant harm to the plants.

More information on Large milkweed bugs...

Did this tool help you identify the insect? Tell us.
  • © Regents of the University of Minnesota. All rights reserved.
  • The University of Minnesota is an equal opportunity educator and employer. Privacy