Well, in the US you can only get hoppers from outside, so you have to catch them yourself from an area free of pesticides. As for other feeders, mulberryfarms.com has a good selection of insects to choose from at very reasonable prices. They have crickets, superworms, mealworms, butterworms, hornworms, butterflies, phoenix worms, and silkworms. They are also located in socal so they will get to you very fast.