Biosteres spinaciae (Thomson, 1895)

Distribution in Iran. Kermanshah (Ghahari and Fischer 2012).

Distribution outside Iran. Austria, former Czechoslovakia, Denmark, Poland, Sweden (Fischer 1963 as Opius spinaciae; Fischer and Koponen 1999; Yu et al. 2012), Bulgaria, Hungary, Italy, Lithuania, Netherlands (Yu et al. 2012), Canada (Viereck 1925 as Opius hyoscyamiellus; Fischer 1965, 1977a, 1983b; Fischer and Koponen 1999; Yu et al. 2012; Sharanowski et al. 2014), England (Godfray 1988; Broad et al. 2012; Yu et al. 2012), Finland, Russia (Fischer and Koponen 1999; Yu et al. 2012), Germany (Fischer 1963 as Opius spinaciae; Fischer and Koponen 1999; Belokobylskij et al. 2003; Yu et al. 2012), Mongolia (Fischer and Koponen 1999; Papp 2009; Yu et al. 2012), Norway (Riedel and Hansen 2014), Spain (Jiménez-Peydró and Peris-Felipo 2014), Turkey (Bremer 1950; Fischer 1997; Fischer and Beyarslan 2005a, 2012; Beyarslan and Fischer 2011- 2012, 2013; Yu et al. 2012), USA (Gahan 1917 as Opius pegomyiae; Fischer 1963 as Opius spinaciae; Fischer 1983a; Fischer and Koponen 1999).

Host records. Pegomya betae (Curtis, 1847), P. hyoscyami (Panzer, 1809) ( Diptera: Anthomyidae) (Fischer and Koponen 1999; Capinera 2001; Yu et al. 2012), P. solennis (Meigen, 1826) ( Diptera: Anthomyiidae) (Fischer and Koponen 1999; Yu et al. 2012), P. atriplicis Goureau, 1851, Delia platura (Meigen, 1826) ( Diptera: Anthomyiidae) (Yu et al. 2012).