Rice Weevil Identification

The Rice Weevil is a highly destructive primary stored grain pest capable of flight and rapid spread.

Quick Identification

• Dark brown with 4 lighter spots
• 2.5–4 mm long
• Elongated snout
• Adults can fly

Where We See It

• Grain elevators
• Rice and corn storage
• Food processing facilities handling whole grain

Life Cycle

• 300–575 eggs per female
• Develops at ~59°F and above
• Optimal around 84°F

Why It Matters

• Internal grain feeder
• Rapid dispersal due to flight
• Significant economic damage

Monitoring & Control

Frequent monitoring and temperature management are critical. Severe infestations may require fumigation.