This map show the range of nine of the eleven brown spiders native to the U.S.
Loxosceles apachea - Red
Loxosceles arizonica - Olive green
Loxosceles blanda - Light Blue
Loxosceles deserta - Orange
Loxosceles devia – Purple
Loxosceles kaiba - Light Grey
Loxosceles reclusa - Dark Grey
Loxosceles russelli - Blue
Loxosceles sabina - Light Green
Distribution data interpreted from:
http://www.ipm.ucdavis.edu/PMG/PESTNOTES/pn7468.html
http://spiders.ucr.edu/images/colorloxmap.gif
http://hobospider.org/recluse.html