chameleons can eat a large variety of insects including crickets grasshoppers flies tomato hornworms silkworms wax worms mealworms and cockroaches although this is a s mall percentage of what they can eat most of these insects are very nutritious and have good sources of vitamins veiled chameleon s diet is based off of crickets mealworms and waxworms you can also dust the crickets ex in a calcium supplement as well as these you can give your ch ameleon fruits and vegetables romanian lettuce is probably the best others will work to