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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 > Palestriped flea beetle

Palestriped flea beetle
Photo Credit: Whitney Cranshaw, CSU,

Palestriped flea beetle
Systena blanda
Size: 1/8 inch long

Where/When: Feeds on plants in the squash family, as well as bean, corn, sunflower, lettuce, potato, and many weeds. Active from May through June and August through September.

Significance: Causes feeding damage (small, round, irregular holes) primarily to foliage. Low to moderate numbers usually do not impact plant health. High numbers can result in wilted and stunted plants.
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