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 > Soldier beetles

Goldenrod soldier beetle

Chauliognathus pennsylvanicus

Jeff Hahn, University of Minnesota Extension

Jeff Hahn, University of Minnesota Extension

Description: 1/2 inch long.
Black head with moderate length antennae. Prothorax and wing covers are yellowish to tannish brown with a rectangular black spot on the thorax and a black oval spot on each wing cover.

Where/When: Found on flowers and foliage of many plants, especially ones with yellow flowers such as goldenrod, helianthus, coneflower, tansy, zinnia, and marigold. Adults are active from late July to September.

Significance: Harmless to plants. Beneficial as pollinators.

More information on Goldenrod soldier beetle