
Community identification
Spotted cucumber beetle (likely western spotted cucumber beetle)
Diabrotica undecimpunctata
- Order & Family
- Coleoptera; Chrysomelidae
- Size
- About 5–7 mm long.
Natural Habitat
Gardens, farms, and other places with cucurbits and grasses; adults may wander onto patios and sidewalks.
Diet & Feeding
Adults feed on leaves, flowers, and pollen, especially on cucurbits; larvae feed on roots and may attack corn.
Behavior Patterns
Yellow-green beetles with black spots; adults are active in warm weather and fly readily. Larvae develop in soil, and adults may overwinter in sheltered sites.
Risks & Benefits
Can damage seedlings and spread bacterial wilt among cucurbit crops. Not dangerous to people and does not bite.