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Food
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Mealworms receive all the water they need from food sources. Wheat bran is the standard food source for captive mealworms.
Substrate
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Food doubles as substrate for mealworms. They will both live in and eat crushed wheat bran flakes. Worms will need around 3 inches of substrate; this allows them to bury themselves.
Containers
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Mealworms are kept in plastic storage containers or sweater boxes. Drill very small holes for airflow.
Temperature
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Mealworms thrive at temperatures around 70 to 80 degrees F. Place worms in a refrigerator to delay development and extend life by a few weeks.
Natural Habitat
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Outside of captivity, mealworms are scavengers that can be found in damp dark places such as warehouses and mills.
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