Diagnosis : carapace length/ cheliceral fixed digit length ratio 5.5-6.5.
Key: Cheliceral fixed digit inferior carina extends proximally at least to level of bicusp; carapace length/cheliceral fixed digit length ratio 4 .2 or more ………Pectinal teeth 24/24 or more in males and 17/18 or more in females and 37 or more primary denticles (less proximal row) on pedipalp movable fingers, or if fewer pectinal teeth then either (1) dorsal metasomal setae I-IV 0,0,0,1, or (2) no mrs seta on basitarsus II; Basitarsus II with mrs seta 4; Carapace length/cheliceral fixed digit length ratio 6 .5 or less.............becki microgroup, P. becki.