Mealworm(redirected from yellow mealworm)
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the larva of the beetle Tenebrio molitor of the family Tenebrionidae. It damages flour, grain, bran, bread, rusks, pasta, and other products. It sometimes spoils entomological collections. The cosmopolitan, nocturnal beetle appears in late spring. It reproduces in the cellars of warehouses, in mills, and in pasta and confectionery factories. Usually one generation develops per year. The larval phase lasts between 280 and 600 days