Maps 25, 26.Aptostichus killerdana sp. n. (filled square), Aptostichus serrano sp. n. (filled circles), Aptostichus chemehuevi sp. n. (filled triangles). 25 known distributions 26 predicted distribution of Aptostichus serrano; cooler colors–blue shades–represent areas of high probability of occurrence, warmer colors–yellow and orange shades–represent areas of low probability of occurrence.