A product called Frontline is very good for killing mites it's also used on cats and dogs for fleas people use what they can get here and In uk breeders recommend it I found it much better than T-rex actual reptiles wierd!
Hope that helps,
yeah have samples taken to check for parasites It may not have mites if it's wildcaught so long as it's not been left in a tank with others of course it would depend on last shed as wild snakes can just leave the skin and mites and move on in the wild.
I had to write a 6,000 word report on diseases and parasites of snakes for 3rs year Zoology. Phew that was tiring and presentation thanks to that I know more than I should had to all the main families of snakes also.