Crickets have been a staple food for many insectivorous herps for years. They are relatively cheap, easily to acquire, and cared for properly, can be an easy to keep, nutrient rich part of your pet's diet. Only the smallest crickets (1/8") are appropriate for most poison dart frogs, and they love them! Some of the larger dart frogs in the genus Phyllobates can eat 1/4" crickets on occasion.