Wow, I have never heard of using frontline on a snake. Think I would be leary. Also, someone posted they saw "white" mites on their snake? I thought they were black?Also, to op, you should always have a quarantine procedure with new snakes. There is a sticky thread on quarantine if you have any questions. Also, like everyone else is saying, prevent a mite works great, and soaking with A drop of dawn dish soap.