Distribution in Iran. Kermanshah (Ghahari and Fischer 2012).
Distribution outside Iran. Austria (Fischer 1974, 1980; Hellrigl 1997; Yu et al. 2012), Belgium, Bulgaria, China, former Czechoslovakia, Denmark, France, Hungary, Ireland, Netherlands, Poland, Sweden, Switzerland, Uzbekistan (Fischer and Koponen 1999; Yu et al. 2012), Estonia (Fischer and Koponen 1999, 2009; Yu et al. 2012), Finland (Fischer and Koponen 1999, 2000 b, 2009; Yu et al. 2012), Germany (Belokobylskij et al. 2003; Yu et al. 2012), Italy (Fischer 1981; Yu et al. 2012), Lithuania (Jakimavicius 1977 as Opius jonaitisi; Fischer 1984; Yu et al. 2012), Portugal (van Achterberg and Aguiar 2009), Russia (Tobias 2000; Lelej 2012; Yu et al. 2012), Turkey (Fischer and Beyarslan 2005 a, 2012; Beyarslan and Fischer 2011, 2013; Yu et al. 2012), UK (Marshall 1899; Broad et al. 2012; Yu et al. 2012).
Host records. Delia quadripila (Stein, 1916) on Honckenya peploides (L.), Pegomya betae (Curtis, 1847), P. hyoscyami (Panzer, 1809) (Diptera: Anthomyiidae), P. solennis (Meigen, 1826), P. set ar ia (Meigen, 1826) (Diptera: Anthomyiidae) (Fischer and Koponen 1999; Yu et al. 2012).