Indian Meal Moth: About the Insect
Indian Meal Moth Description
Adults are bi-colored with a cream/yellow at the base and a copper/dark gray color on the outer portion of the wings
About 12-14 mm wingspan length and 6 -7 mm body length
IMM Life History
Females lay 200-400 eggs for about a 7-10 day lifespan
Infestation can establish at temperatures as low as 64°F (18° C), but development is prolonged
Optimum development takes place around 86°F (30° C) at a relative humidity of 70%
Indian Meal Moth Solutions
Damage Caused by Indian Meal Moth
Feed on cereal, corn, rice, sorghum, spices, nuts, dried commodities and wheat
Larvae eat broken kernels of grain and grain dust
Larvae leave silky webbing that can contaminate commodity and clog machinery
Webbing can result in condensation that causes increased humidity and micro-habitats for toxic molds
Adults fly which allow easy dispersal for infestations in other areas
Infestation can lead to heating and increased moisture levels in grain
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