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