P. elabra Peck, 1971b: 9,

1973a: 131 (assignment to group), 1973b: 103; 1977: 195 (no new record).

Holotype male in MCZC (n° 31895).

Type locality: Cueva de El Pachón, 7.5 km NE Antiguo Morelos, [16 km SSW Ciudad Mante, Peck, 1973a: 131], Tamaulipas State, Mexico.

Distribution: Mexico: San Luis Potosí and Tamaulipas States. Biology: Troglophile.