Syntretus xanthocephalus (Marshall, 1887)

Distribution in Iran. Guilan (Farahani et al. 2012; Sedighi and Madjdzadeh 2015).

Distribution outside Iran. Austria, Bulgaria, China, Denmark, Germany, Ireland, Italy, Korea, Netherlands, Romania, Sweden, Switzerland, Taiwan (van Achterberg and Haeselbarth 2003; Yu et al. 2012), Lithuania (Tobias 1986 as Syntretus lyctaea; van Achterberg and Haeselbarth 2003; Yu et al. 2012), UK (Marshall 1887 as Microctonus xanthocephalus; van Achterberg and Haeselbarth 2003; Yu et al. 2012; Knowler and Broad 2014).

Host records. This species is reported as an endoparasitoid of Dirophanes invisor (Thunberg) ( Hymenoptera: Ichneumonidae) (Cole 1959; van Achterberg and Haeselbarth 2003; Yu et al. 2012). It is also reported as a parasitoid of Tortrix viridana Linnaeus ( Lepidoptera: Tortricidae) (Cole 1959).