Species Insects & ArthropodsSpotted Cucumber Beetle

Spotted Cucumber Beetle

Diabrotica undecimpunctata

CommonInsect & Arthropod
Illustration of Spotted Cucumber Beetle (Diabrotica undecimpunctata)

The Spotted Cucumber Beetle is a bright greenish-yellow beetle with 12 black spots on its elytra, making it resemble a large ladybug. It is a serious agricultural pest as both adult and larva (the corn rootworm), attacking cucurbits, corn, and many other crops. It also vectors bacterial wilt disease in cucumbers and squash.

Habitat
Fields, gardens, and agricultural areas
Diet
Larvae: roots of corn and grasses. Adults: cucumber, squash, corn foliage and flowers
How common
Common

Recent Spotted Cucumber Beetle sightings near you

Live, research-grade observations from iNaturalist. Allow location to center the map on you.

Spot a Spotted Cucumber Beetle? Identify it instantly.

Point Huck at any plant or animal and get an instant ID, rarity, and field notes — building your personal nature collection as you go.

Get Huck — free

More insects & arthropods

13-Year Periodical Cicada
13-Year Periodical Cicada
Magicicada tredecim
Acmon Blue
Acmon Blue
Plebejus acmon
Acorn Ant
Acorn Ant
Temnothorax curvispinosus
Acorn Weevil
Acorn Weevil
Curculio glandium
Aerial Yellowjacket
Aerial Yellowjacket
Dolichovespula arenaria
Alderfly
Alderfly
Sialis lutaria
Alfalfa Leafcutting Bee
Alfalfa Leafcutting Bee
Megachile rotundata
Ambush Bug
Ambush Bug
Phymata americana