Indian Meal Moths

The Pantry Prowlers

If you see small, tan moths fluttering in your kitchen or find "webbing" in your flour, you are likely dealing with the Indian Meal Moth.

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Identification & Appearance

  • The AdultA small moth (about 1/2 inch). The front half of their wings is a pale gray/tan, while the back half is a dark coppery-brown or bronze.
  • The LarvaeSmall, off-white caterpillars (often with a yellowish or greenish tint) with a brown head.
  • The SignYou will often see "clumping" or "silken webs" inside boxes of cereal, bags of flour, or pet food.
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Behavior: Where Do They Hide in Utah?

  • DietThey infest a wide variety of dry goods: grain products, dried fruits, nuts, seeds, birdseed, and even dried red peppers.
  • The MigrationWhen the larvae are ready to turn into moths (pupate), they often leave the food source and crawl up walls to the corner where the wall meets the ceiling.
  • HitchhikersMost infestations start when eggs or larvae are brought home in bulk food items, birdseed, or pet treats.
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FAQS

Frequently Asked Questions

  • Is the food still safe to eat?While not poisonous, the larvae leave behind feces and silk webbing that can promote mold growth. It is generally recommended to toss any infested items.
  • I threw away the flour, why are there still moths?They may have laid eggs in other nearby items like chocolate, spices, or even behind the labels of canned goods. A total pantry "deep clean" is usually required.