Body Lice In Hotels Can Body Lice Only Survive On Human Clothing? I Heard They're Trying To Use It To Find Out How Old Clothing Is?

Can body lice only survive on human clothing? I heard they're trying to use it to find out how old clothing is? - body lice in hotels

I've heard that the body louse is a subspecies of head lice, and they try to one species or the mitochondrial DNA of chromosome I use in molecular clock, guess what, as long as people there have been price.

My question is whether the body lice only on the clothes of the man, or whether they can live on other things that are too low? I just want to know how well these studies, I've recently heard?