Synonyms: Ceratopogon binotata (heterotypic); Ceratopogon cinerea (heterotypic); Ceratopogon griseicollis; Ceratopogon inscriptus; Ceratopogon lineatus (homotypic); Ceratopogon slossonae (heterotypic); Palpomyia algarum (heterotypic); Palpomyia binotata; Palpomyia edwardsi (heterotypic); Palpomyia illinoisensis (heterotypic); Palpomyia nigrotibialis (heterotypic); Palpomyia obesa (heterotypic); Palpomyia octasema (heterotypic); Palpomyia pruinescens (heterotypic); Palpomyia slossonae; Palpomyia spinosissima (heterotypic); Palpomyia stagnalis (heterotypic); Palpomyia unifasciata (heterotypic); Palpomyia winnertzi (heterotypic)