Opius (Opiothorax) longicornis Thomson, 1895

Distribution in Iran. Guilan (Ghahari et al. 2012b).

Distribution outside Iran. Austria (Fischer 1981; Jiménez-Peydró 1983a as Opius caudifer; Hellrigl 1997; Fischer and Koponen 1999; Yu et al. 2012), Greece, Slovenia (Jiménez-Peydró 1983a as Opius caudifer; Fischer and Koponen 1999; Yu et al. 2012), Croatia, Macedonia (Papp 2010; Yu et al. 2012), former Czechoslovakia (Jiménez-Peydró 1983a as Opius caudifer; Fischer and Koponen 1999; Yu et al. 2012), Finland, France, Hungary, Romania (Jiménez-Peydró 1983a as Opius caudifer; Fischer and Koponen 1999; Yu et al. 2012), Germany (Belokobylskij et al. 2003 as Opius caudifer; Yu et al. 2012), Italy (Fischer 1980 as Opius caudifer; Fischer 1981; Yu et al. 2012), Lithuania, Spain, UK (Yu et al. 2012), Russia (Fischer 1984; Fischer and Koponen 1999; Yu et al. 2012), Serbia (Žikić et al. 2013b), Spain, former Yugoslavia (Jiménez-Peydró 1983a as Opius caudifer; Yu et al. 2012), Sweden (Thomson 1895; Fischer and Koponen 1999; Yu et al. 2012), Turkey (Beyarslan and Fischer 2011, 2013; Yu et al. 2012).

Host records. In Finland, it is reported from Phytomyza isais Hering, 1936 ( Diptera: Agromyzidae) on seeds of Odontites vernus Dumort (Fischer and Koponen 1999; Yu et al. 2012; Žikić et al. 2013b).