Then she had mites when you got her...she brought them home & it took this long for them to multiply enough for you to see (notice) them. Sorry, but it happens.
It takes a little time for them to reproduce new generations but when they do their numbers go up exponentially & you finally saw them.
Pay close attention where you buy a snake from...many places are risky, like us going to a grammar school & NOT getting the latest virus...![]()