Natural host.Cryptocercus punctulatus, U.S.A., Appalachian and Pacific coast areas (Cleveland et al., 1934).

Barbulanympha coahoma (Cleveland et al., 1934) represents the diploid form of B. estaboga (Cleveland, 1953).

Barbulanympha laurabuda Cleveland et al.

Natural host.Cryptocercus punctulatus, U.S.A., Appalachian and Pacific coast areas (Cleveland et al., 1934): This species, B. ufalula, and Rhynchonympha tarda occur in all parts of the colon, especially in the enlarged, flexed part near the ileum.

Barbulanympha ufalula Cleveland et al.

Natural host.Cryptocercus punctulatus, U.S.A., Appalachian and Pacific coast areas (Cleveland et al., 1934).

Barbulanympha wenyoni Cleveland

Natural host.Cryptocercus punctulatus, U.S.A., Pacific coast area (Cleveland, 1953).

Rhynchonympha tarda Cleveland et al.