* Opius (Allophlebus) singularis Wesmael, 1835

Opius singularis Wesmael, 1835: 1 –252.

Opius (Phaedrotoma) singularis Tobias, 1986: 147 . Opius (Allophlebus) singularis Fischer, 1972: 1 –620.

Synonym. Opius arenosus Szepligeti, 1898; Opius (Allophlebus) tarni Papp, 1982 a.

Distribution in Turkey. Amasya (Fischer & Beyarslan, 2011); Amasya, Artvin (Beyarslan & Fischer, 2011).

Distribution. Palaearctic. Armenia, Austria, Belgium, Bulgaria, Croatia, Czechoslovakia, Denmark, Finland, France, Georgia, Germany, Greece, Hungary, Ireland, Italy, Korea, Lithuania, Mongolia, Netherlands, Poland, Romania, Russia, Spain, Sweden, Switzerland, Tunisia, Turkey, United Kingdom, Yugoslavia.

Hosts. Diptera . Agromyzidae: Agromyza abiens Zetterstedt, 1848; A. agrosticola Meigen, 1830 [ Agrostis canina]; A. alnibetulae Hendel, 1931 [ Alnus incana]; A. anthracina Meigen, 1830 [ Urtica dioica]; A. arunci Hering,1954 [ Aruncus sylvester]; A. ferruginosa van der Wulp, 1871 [ Symphytum officinale]; A. myosotidis Kaltenbach, 1864 [ Myosotis laxa]; A. nigripes Meigen, 1830 [ Agrostis canina]; A. potentillae Kaltenbach, 1864 [ Rubus idaeus]; A. pseudoreptans Nowakowski, 1967 [ Urtica dioica]; A. pseudorufipes Nowakowski, 1964 [ Myosotis laxa]; A. reptans Fallen, 1823 [ Urtica dioica]; A. rufipes Meigen, 1830 [ Myosotis palustris, Symphytum officinale]; Amauromyza labiatarum (Hendel, 1920) [ Stachys sylvatica]; Aulagromyza hendeliana (Hering, 1926) [ Lonicera periclymenum]; Cerodontha pygmaea (Meigen, 1830) [ Dactylis glomerata]; Chromatomyia periclymeni (de Meijere, 1924) [ Lonicera periclymenum, L. xylosteum]; Liriomyza amoena (Meigen, 1830); L. eupatorii (Kaltenbach, 1873) [ Galeopsis tetrahit]; Phytomyza actaeae Hendel, 1922 [ Actaea spicata]; P. angelicastri Hering, 1932 [ Angelica sylvestris]; P. chaerophylli Kaltenbach, 1856 [ Anthriscus sylvestris]; P. heracleana Hering, 1937 [ Peucedanum ostruthium].