* Biosteres (Biosteres) longicauda (Thomson, 1895)

Opius (Opius) longicauda Thomson, 1895: 2141 –2339. Biosteres (Biosteres) longicauda Fischer, 1982: 1 –36.

Synonym. Opius vilnensis Jakimavicius,1977 .

Distribution in Turkey. Giresun, Kütahya, Ordu, Sivas, Gümüşhane (Beyarslan & Fischer, 2011); Gümüşhane, Rize (Fischer & Beyarslan, 2012).

Distribution. Palaearctic. Austria, China, Czechoslovakia, Denmark, Finland, France, Germany, Italy, Lithuania, Moldova, Russia, Slovenia, Sweden, Switzerland, Turkey, Yugoslavia.

* Biosteres (Biosteres) remigii (Fischer, 1971)

Biosteres remigii Fischer, 1971a: 33 –76.

Biosteres (Biosteres) remigii Fischer, 1980: 227 –250.

Synonym. Diachasma disputabilis Papp, 1978 .

Distribution in Turkey. Isparta (Beyarslan & Fischer, 2011). Distribution. Palaearctic. Armenia, Hungary, Korea, Mongolia, Russia, Turkey.

Biosteres (Biosteres) spinaciae (Thomson, 1895)

Opius (Opius) spinaciae Thomson 1895: 2141 –2339.

Biosteres (Biosteres) spinaciae Fischer & Beyarslan 2005b: 27 –62.

Synonyms. Opius hyoscyamiellus (Viereck,1925); Opius pegomyiae (Gahan, 1917) .

Distribution in Turkey. Turkey (Bremer, 1950); Turkey (Fischer, 1997); Balikesir, Denizli, Edirne, Hatay (Fischer & Beyarslan, 2005a); Canakkale, Niğde, Samsun, Sivas, Tekirdağ (Beyarslan & Fischer 2011); Yozgat (Fischer & Beyarslan, 2012).

Distribution. Nearctic, Palaearctic. Austria, Bulgaria, Canada, Czechoslovakia, Denmark, Finland, Germany, Lithuania, Mongolia, Netherlands, Poland, Russia, Sweden, Turkey, U.S.A., United Kingdom,

Hosts. Diptera . Anthomyiidae: Delia platura (Meigen, 1826); Pegomyia sp. [ Silene uniflora]; Pegomyia atriplicis (Goureau 1851) [ Beta vulgaris]; P. b e t a e (Curtis, 1847) [ Beta vulgaris, Rumex acetosella]; P. hyoscyami (Panzer, 1809) [ Beta vulgaris, Rumex acetosella];

P. solennis (Robbins, 1991) .

Parasitism. emerge from larva/nymph; emerge from pupa; endoparasitoid; solitary.

* Biosteres (Biosteres) urbani Fischer, 1971

Biosteres urbani Fischer, 1971a: 33 –76.

Biosteres (Biosteres) urbani Fischer, 1972: 1 –620.

Distribution in Turkey. Bolu (Fischer & Beyarslan, 2005a).

Distribution. Palaearctic. Mongolia, Russia, Turkey, Ukraine.