Hylaeus (Lambdopsis) dilatatus (Kirby, 1802)

Distribution in Iran: No locality cited (Warncke, 1981).

General distribution: Eastern (Kazakhstan) and Western (Albania, Algeria, Armenia, Austria, Azerbaijan, Denmark, England, Finland, Greece, Iran, Italy, Lithuania, Portugal, Russia, Switzerland, Tunisia, Turkey, Ukraine) Palaearctic (Ascher & Pickering, 2021).