Opacifrons

Opacifrons is a genus of flies belonging to the family Sphaeroceridae.

==Species== O. aequalis (Grimshaw, 1901) O. bisecta (Malloch, 1914) O. brevisecunda Papp, 1991 O. brevistylus Marshall & Langstaff, 1998 O. convexa (Spuler, 1924) O. coxata (Stenhammar, 1855) O. cubita Marshall & Langstaff, 1998 O. differentialis Su, Liu & Xu, 2013 O. digna (Roháček, 1982) O. distorta Marshall & Langstaff, 1998 O. dupliciseta (Duda, 1925) O. elbergi (Papp, 1979) O. ghesquierei Vanschuytbroeck, 1951 O. inornata Marshall & Langstaff, 1998 O. liupanensis (Su & Liu, 2009) O. maculifrons (Becker, 1907) O. mirabilis (Papp, 1973) O. moravica (Roháček, 1975) O. niveohalterata (Duda, 1925) O. obunca Marshall & Langstaff, 1998 O. orbicularis (Becker, 1920) O. parabisecta Marshall & Langstaff, 1998 O. pavicula Marshall & Langstaff, 1998 O. prominentia Su, Liu & Xu, 2013 O. pseudimpudica (Deeming, 1969) O. quadrispinosa Marshall & Langstaff, 1998 O. quarta Marshall & Langstaff, 1998 O. redunca Marshall & Langstaff, 1998 O. rubrifrons (Vanschuytbroeck, 1950) O. simplisterna Marshall & Langstaff, 1998 O. spatulata Marshall & Langstaff, 1998 O. triloba Marshall & Langstaff, 1998