*Genus Heterogamus Wesmael, 1838

(Fig. 13 A–F)

* Heterogamus dispar (Haliday, 1833)

Material examined. Mazandaran province: Noor, Chamestan, Tangehvaz (36°21′55.68″ N, 52°06′10.32″ E, 702 m a. s. l.), 13.vii.2011, 1♂; Noor, Chamestan, Tangehvaz (36°21′55.02″ N, 52°06′10.74″ E, 692 m a. s. l.), 05.ix.2011, 1♀; leg. A. Mohammadi.

Diagnostic characters (female). Body length 5.0 mm; antenna with 41 segments, vein r of fore wing 1.5 × longer than 3-SR (Fig. 13 A); hind trochantellus very slender, length of hind trochantellus about twice longer than hind trochanter measured; length of second metasomal tergite 1.1 × its basal width (Fig. 13 B), second and third metasomal tergites coarsely punctate (Fig. 13 B).

Coloration. Body reddish in female (Fig. 13 C) and yellowish in male (Fig. 13 F), antenna of female yellowish basally, with blackish segments before and after of white band (Fig. 13 C); wings of female infuscated, with subhyaline patch below pterostigma (Fig. 13 A); legs brownish except dark hind femur.

General distribution. Oriental, eastern and western Palaearctic.

Distribution in Iran. Mazandaran province (current study). New record for Iran.

Remarks. Second and third metasomal tergites without depression in male (Fig. 13 E); antenna of male unicolorous (Fig. 13 F); wings of male subhyaline (Fig. 13 D).