* 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].