Hylaeus (Koptogaster) bifasciatus (Jurine, 1807)
Material examined: 1♂, Iran, Khorasan-e Razavi, Qare su (36°58′21″N, 59°40′50″E), 10.VII.2018, Leg.: M. Allahverdi .
Food association: Asteraceae .
Distribution in Iran: East Azarbaijan (Warncke, 1981).
General distribution: Western Palaearctic (Albania, Belgium, Georgia, Germany, Greece, Iran, Israel, Italy, Malaysia, Romania, Turkey, Ukraine) (Ascher & Pickering, 2021).