Aphaereta difficilis Nixon, 1939

Distribution in Iran. Ilam (Ghahari et al. 2011d; Khajeh et al. 2014).

Distribution outside Iran. Widely distributed in western Palaearctic region (Papp 2007a, 2011–2012). Austria, Morocco, Romania and former Yugoslavia (Docavo et al. 1985; Yu et al. 2012), Bulgaria (Papp 2011– 2012; Yu et al. 2012), France, Germany, Moldova, Poland, Russia, Switzerland and Uzbekistan (Yu et al. 2012), Greece (Papp 2007a; Yu et al. 2012), Hungary (Docavo et al. 1985; Papp 2008; Yu et al. 2012), Israel (Papp 2011–2012), Korea (Papp 2007b; Yu et al. 2012), Morocco (Nixon 1939), Serbia (Papp 2009b; Yu et al. 2012), Spain (Docavo et al. 1985; Tormos 1987; Yu et al. 2012), Tunisia (Papp 2011–2012; Yu et al. 2012), Russia (Lelej 2012).

Host records. Delia radicum (L., 1758) and Fucellia tergina (Zetterstedt, 1845) ( Diptera: Anthomyiidae) (Yu et al. 2012). It was reported as a parasitoid of Lucilia sericata (Meigen, 1826) ( Diptera: Calliphoridae) (Docavo et al. 1985; Tormos 1987). In Russia, it has been recorded from Delia antiqua (Meigen, 1826), Paregle audacula (Harris, 1780) ( Diptera: Anthomyiidae) and Ravinia striata (Fabricius, 1794) ( Diptera: Sarcophagidae) (Lelej 2012).