Listronotus oregonensis (LeConte) and Hyperodes texana Stockton
- tannish-gray adults are about 1/4 inch long
- larvae are white C-shaped grubs
- eggs are laid on the leaf petioles or in the crown of the plant
- several generations occur in a single season
- about 5 weeks are needed for development from egg to adults
- H. texana is a pest in south Texas
Damage:
- grubs feed on the exterior or burrow into carrots
- damage usually occurs near the top of the carrot
