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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 > Aphid species

Aphid species

Uroleucon spp.

Aphid species

Jeff Hahn, University of Minnesota

Aphid species

Jeff Hahn, University of Minnesota


Size: Up to 1/8 inch long

Where/When:Feeds on petals and leaves of a variety of flowers including black-eyed Susan (Rudbeckia), coneflower, and sunflower. Active spring and summer; it is particularly noticeable from mid to late summer.

Significance:Generally does not cause damage. Could cause discoloration of flower petals and leaves, resulting in wilting if populations are high.

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