Indian mealmoth

Plodia interpunctella

Its larvae (caterpillars) are commonly known as waxworms like those of its relatives, though they are not the particular waxworms often bred as animal food. They are a common grain-feeding pest found around the world, feeding on cereals and similar products.

Adults are 8–10 mm in length with 16– to 20-mm wingspans. The outer half of their fore wings are bronze, copper, or dark gray in color, while the upper half are yellowish-gray, with a dark band at the intersection between the two. The larvae are off-white with brown heads. There are 5-7 larval instars. When these larvae mature, they are usually about 12 mm long.They have five pairs of well developed prolegs that help them move considerable distances to pupate."

The entire lifecycle of this species may take 30 to 300 days. Female moths lay between 60 and 400 eggs on a food surface, which are ordinarily smaller than 0.5 mm and not sticky. The eggs hatch in 2 to 14 days. The larval stage lasts from 2 to 41 weeks, depending on the temperature.

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