Cucumber Beetle Larva

Scientific Name: Diabrotica undecimpunctata (likely)

Order & Family: Order Coleoptera, Family Chrysomelidae

Size: Approximately 2 to 13 mm in length depending on maturity.

Cucumber Beetle Larva

Natural Habitat

Agricultural fields, vegetable gardens, and soil near host plants.

Diet & Feeding

Roots and stems of various plants, including corn, cucumbers, melons, and squash.

Behavior Patterns

They hatch from eggs in the soil, feed on roots for several weeks, and then pupate underground before emerging as winged beetles.

Risks & Benefits

Significant agricultural pest; they damage crops through root consumption and are known to transmit bacterial wilt and other plant diseases.

Identified on: 1/11/2026