Spotting

I will. I think it won't be very difficult, if you google any sort of Loxosceles you only get info for Laeta... Jeje.
I'll search in some books info about other species, just to be sure.
Thanks for helping

L. Laetha is very widespread, and can vary very much in colour, from black to beige, size also varies a lot. Look for other physiological characteristics for the ID. Good luck.

I don't know, i mean i tried not to bother. My first thought was L. laeta but don't look like. Anyways im not an expert, i have to do some research to be sure. Maybe L. rica
Thanks for helping

It is Loxosceles sp. Wouldn't know exactly, may be an "Loxosceles rica" because of the location, or "Loxosceles laetha" because it is widespread, in which case, be carefull the L. Laetha is dangeous.
Did it move very fast?

Not scary. Just misunderstood beauty ;)

Scary