Opalimosina is a genus of flies belonging to the family Sphaeroceridae.
Species Subgenus Dentilimosina Roháček, 1983 O. denticulata (Duda, 1924) Subgenus Hackmanina Roháček, 1983 O. czernyi (Duda, 1918) Subgenus Opalimosina Roháček, 1983 O. australis Hayashi, 2009 O. calcarifera (Roháček, 1975) O. collini (Richards, 1929) O. dolichodasys Hayashi, 2010 O. mirabilis (Collin, 1902) O. monticola Hayashi, 2010 O. pseudomirabilis Hayashi, 1989 O. simplex (Richards, 1929) O. spathulata Hayashi, 2010 O. stepheni Papp, 1991 Subgenus Pappiella Roháček, 1983 O. liliputana (Rondani, 1880)
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