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Becomes a serious nuisance pest particularly during its annual migration from the Eastern plains to the mountains in late spring. Every 4-6 years the species has a great 'invasion' of the mountains where the population spikes and they are seen everywhere for 2-6 weeks.

Prior to miller moth migrations, a proactive defense is to update the sealing around structures. This includes caulking/sealing of soffits, door trim, window trim, exterior pipes, foundation trim, etc. Inside the home, the best reactive defense is vacuuming them.

Live miller moths are seen to black bears as a nice snack. Black bears can eat thousands of moths at a time.

Smaller, and beige or brown colored. Distinct spots often are found on the wings. Their name comes from the larvae’s habit of weaving a case in silk and other fabric in which to live. Can develop only on woolen fabrics and furs. In heated buildings with plenty of food, they produce about four generations per year. 

Female moths rarely fly until they have laid most of their eggs, so simply killing flying moths will not control them. Dry cleaning kills all stages of the insect. Place the articles in airtight containers to prevent reinfestation. Permanent removal of infested carpets, rugs, and drapery may be required to control severe infestations.

 A female may deposit 100 to 300 moth eggs. The eggs take 1 to 2 weeks to hatch into the larval stage during the summer or in a heated room. It is the moth larvae, not the adult moths, that eat and destroy fabrics.

Indian meal moths are a small, grayish-brown moth common in many Colorado homes. The caterpillar stage feeds on nuts, herbs, coarsely ground grains, and other pantry items.

 A thorough clean-out of all food sources is crucial to managing Indian meal moths. Infested materials should be discarded or used up. Webbing is found in or around infested items.

Larvae cannot chew through packages, so they must enter through a hole or at the seam. The larval stage lasts from two weeks to one year, and is responsible for stored good loses.