KEY TO GUATEMALAN SPECIES OF TYPHLOPSEUDOTHELPHUSA RIOJA, 1953 (ADAPTED FROM Rodríguez 1982)

1. G1 with mesial process bearing three spines; apex with mesocaudal margin smooth (see fig. 5G, H, in Delamare Deboutteville 1976b: 121) ........................................................... T. mitchelli Delamare Deboutteville, 1976

— G1 with mesial process bearing two spines; apex with mesocaudal margin crenulate (see fig. 6G, I, in Delamare Deboutteville 1976b: 122) .......................................................... T. juberthiei Delamare Deboutteville, 1976