Angoumois Grain Moth Identification
Sitotroga cerealella

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.
