Indian Meal Moth Identification
Plodia interpunctella
The Indian Meal Moth (commonly called the pantry moth) is one of the most widespread stored product pests in food processing and warehouse environments.
Quick Identification
- Bi-colored wings (cream at base, reddish-gray outer half)
- 12–14 mm wingspan
- Strong flier
- Webbing present in product
Where We See It
- Packaged foods
- Warehouses
- Pet food plants
- Ingredient storage
Life Cycle
- 200–400 eggs per female
- Develops above ~64°F
- Optimal development around 86°F
- Short adult lifespan (7–10 days)
Why It Matters
- Larval webbing contaminates product
- Webbing clogs machinery
- Creates condensation and mold microhabitats
- Adults disperse rapidly
Monitoring & Control
Pheromone monitoring is essential. Severe infestations may require fumigation to eliminate all life stages hidden in voids.
Need Help Identifying This Pest?
FSS stored product entomologists can confirm identification through photo review or laboratory analysis, then recommend a facility-specific plan.