Bug Identifier
Colorado potato beetle
Community identification

Colorado potato beetle

Leptinotarsa decemlineata

Order & Family
Coleoptera; Chrysomelidae (leaf beetles)
Size
About 6–11 mm long.
See this bug in the Encyclopedia

Natural Habitat

Gardens and farms, especially on potatoes and other plants in the nightshade family.

Diet & Feeding

Adults and larvae chew leaves, mainly those of potato, tomato, eggplant, and related plants.

Behavior Patterns

Adults have distinctive alternating yellow and black stripes; females lay clusters of orange eggs beneath leaves. They overwinter in soil and may produce multiple generations in warm regions.

Risks & Benefits

A serious crop pest that can rapidly defoliate potato plants; it poses no significant danger to people.