Formicophiliac

A person (creep/stalker/e.t.c) with the fetish of having small insects crawl on your genitals. those who possess this condition have been known to enjoy ants crawling over their genitals and even entering the orifices until sexual arousal and climax is reached. Entomophillia is the wider term for those who find sexual pleasure with a range of various insects rather than ants alone.

also see hemonecroformicophiliac