Natural host.—Panesthia angustipennis, Philippine Islands (Chitwood and Chitwood, 1934).
Oxyuris (?) heterogamiae Galeb, 1878
Synonymy.—Thelastoma heterogamiae (Galeb, 1878) Travassos, 1929. The taxonomic position of this species is questionable; it might possibly belong in Blatticola or Protrellina (Chitwood, 1932). Basir (1956) placed it in an appendix to the family Thelastomatidae.
Natural host.—Polyphaga aegyptiaca, Egypt? (Galeb, 1878).
Protrelleta floridana Chitwood, 1932
Natural host.—Blaberus craniifer, U.S.A., Florida (Chitwood, 1932).
Protrellus aureus Cobb, 1920
Synonymy.—The taxonomic position of this nematode is questionable (Chitwood, 1932).
Natural host.—Polyzosteria melanaria?, Australia, New South Wales (Cobb, 1920). [Caudell (in Chitwood, 1932) stated that this host was probably Platyzosteria analis.]