P. troglomexicanus Peck, 1968: 92,

1973a: 129 (assignment to group), 1973b: 103, 1977: 206.

Holotype male in MCZC (n° 31653).

Type locality: Cueva de la Perra, 2160 m, La Perra, 15 mi NW Gomez Farias, Tamaulipas, Mexico.

Distribution: Mexico: Tamaulipas State: known only from vicinity of type locality. Biology: Troglobite in caves in Sierra de la Guatemala.