We came across this helpful article on myPMP(professional pest management).net. You can see an excerpt below or check out their website for the full article
Fact vs. Fiction: Indian Meal Moths
Fiction: I froze my food, so they should be gone, but I still have Indianmeal moths (IMM) flying around my cabinets.
Freezing stored products (grains, cereals, spices, dried fruits, nuts, etc.) for a minimum of three...