Opius (Cryptonastes) pygmaeus Fischer, 1962
Opius pygmaeus Fischer, 1962c: 89 –107.
Opius (Cryptonastes) pygmaeus Fischer, 1972: 1 –620.
Distribution in Turkey. Aydin, Burdur, Elazig, Kahramanmaraş, Kirklareli, Muğla (Fischer & Beyarslan, 2005a); Amasya, Artvin, Aydın, Elazig, Kayseri, Malatya, Ordu, Sivas, Tokat (Beyarslan & Fischer, 2011); Trabzon, Zonguldak (Fischer & Beyarslan, 2012).
Distribution. Palaearctic. Algeria, Austria, Czechoslovakia, Estonia, Finland, France, Germany, Hungary, Italy, Kazakhstan, Lithuania, Russia, Spain, Turkey, United Kingdom.
Hosts. Diptera . Agromyzidae: Liriomyza cicerinae (Rondani, 1874) [ Ononis arvensis]; Phytomyza adjuncta Hering, 1928 .