Giant Mealworms (25-40mm) using special (and very confidential) technology which prevents pupation, regular size Mealworms are fed for an extra 6-8 weeks to develop into Giant Mealworms. Ideal for feeding larger lizards or birds. An excellent fishing bait for eels. Giant Mealworms may be used to feed Monkeys and other samll carnivorous mammals in addition to larger species of birds such a Blackbirds, Thrushes and bigger still