can I feed to my frog wildcaught frogs?

[EmJay]

Jason, wild animals develop immunity or tolerance to a lot of bacteria, illnesses, and environmental toxins as they grow. Animals bred in captivity never develop this tolerance, and even wild-caught animals can lose most of it as time passes. The wild frog could also have something like a fungal or parasite disease, which is slow-acting and/or invisible to the naked eye, and could infect not just your frog, but your enclosure as well. It's really better not to risk it.

(I don't know a lot about frogs yet, but I do know a wee bit about immunology in general... )