Opius (Gastrosema) caucasi Tobias, 1986

Distribution in Iran. East Azarbaijan (Rastegar et al. 2012), Guilan (Ghahari et al. 2012b), Hormozgan (Ameri et al. 2014).

Distribution outside Iran. Azerbaijan, Japan (Yu et al. 2012), Russia (Tobias 1986; Yu et al. 2012), Turkey (Fischer and Beyarslan 2005a, 2012; Beyarslan and Fischer 2011, 2013; Yu et al. 2012; Beyarslan 2015).

Host records. Chromatomyia horticola (Goureau, 1851) ( Diptera: Agromyzidae) (Tobias 1986; Yu et al. 2012).