Kebnat
INSECTS

Western Corn Rootworm

Diabrotica virgifera

Insects
Western Corn Rootworm, Female
Western Corn Rootworm, Male
Western Corn Rootworm, Adult
5–6 mmLength

Beetle in the family Chrysomelidae 5–6 mm long. Lives in fields.

There are 43 observations of Western Corn Rootworm in Québec, mostly in Montérégie, Estrie and Capitale-Nationale, and it has been reported in 9 of the 17 regions. They peak in August and become rare from November to June.

Through the year

JFMAMJJASOND

Where to see it

  1. Montérégie17
  2. Estrie8
  3. Capitale-Nationale6
  4. Montréal6
  5. Mauricie2
  6. Laval1
  7. Lanaudière1
  8. Laurentides1
  9. Bas-Saint-Laurent1

Habitat

FieldsBoaz Yoffe B Sc

Similar species

Striped Cucumber BeetleAcalymma vittatum
Elm Leaf BeetleXanthogaleruca luteola
northern corn rootwormDiabrotica barberi
Spotted Cucumber BeetleDiabrotica undecimpunctata