Meal Worms
Tenebrio molitor - The larval stage of the meal worm beetle. These worms come in "small" and "giant" and are used for feeding lizards, birds, frogs and othe insect eating animals.
Small Meal Worms

Giant Meal Worms

Small meal worms are approximately 0.75″ long
Giant meal worms are approximately 1.3″ long
Meal worms should be kept in the refrigerator (40-50F) and will last up to 4 weeks. Worms will be dormant below 50F and will begin moving when they warm up to 60F. The worms will stay in the larval stage as long as they stay in the refrigerator.
The worms are packed in a bedding of oat bran for food. A small slice of potato can be added for moisture. Check the containers periodically and add more bran if needed.

