Angoumois Grain Moth Identification

Sitotroga cerealella

Angoumois grain moth identification

The Angoumois Grain Moth is an internal feeder of whole grain commonly found in storage systems.

Quick Identification

  • Pale grayish-brown moth
  • 12–14 mm wingspan
  • Adults actively fly

Where We See It

  • Stored grain
  • Seed storage
  • Grain elevators

Life Cycle

  • 40–300 eggs per female
  • Larvae develop inside kernels
  • Adults emerge leaving round holes

Why It Matters

  • Internal grain destruction
  • Rapid dispersal
  • Increases heating and moisture

Monitoring & Control

Because larvae are protected inside kernels, fumigation is often required.

Need Help Identifying This Pest?

FSS stored product entomologists can confirm identification through photo review or laboratory analysis, then recommend a facility-specific plan.