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Meal Snout-moth
This is a cosmopolitan species, being quite abundant everywhere. It manifests a decided preference for cereals in almost any form, and feeds upon meal, bran, and even the straw and husks. It undergoes transformation quite rapidly and is known to produce as many as four generations in a year. The caterpillars prefer the dark corners of meal-bins and the nooks of granaries and elevators which are least disturbed, and here will, unless they are detected and their ravages checked, establish centers of infection, from which they will go forth to do a vast amount of mischief. The caterpillars form long cases or tunnels of silk mixed with the debris of their food, in which they are quite effectually concealed from view. The best remedy is cleanliness, and frequent moving of stored products.