Progebiophilus euxinicus (Popov, 1927) is recorded from the north end of the Adriatic Sea, a new geographical record. Progebiophilus bruscai Salazar-Vallejo & Leija-Tristán, 1989, infests Upogebia dawsoni Williams and U. rugosa (Lockington) in the Gulf of California, Mexico, the latter a new host record and from a locality farther north than previously recorded. Progebiophilus upogebiae (Hay, 1917) infests U. affinis (Say) on the east coast of Florida, U.S.A, a new geographical record. Progebiophilus kensleyi infests U. africana (Ortmann) on the southeastern coast of South Africa. Progebiophilus insperatus infests U. paraffinis Williams in São Paulo state, Brazil. Names of some hosts of Phyllodurus abdominalis Stimpson, 1857, are corrected, and the total range of the genus Phyllodurus Stimpson is considered.