Bembecinus tridens (Fabricius, 1781)

Distribution in Iran: Alborz (Schmid-Egger 2004), East Azerbaijan (Ebrahimi 2014), Fars (Fallahzadeh et al. 2009; Rezaei & Fallahzadeh 2015), Guilan (Morice 1921), Kerman (Schmid-Egger 2004), Qazvin (de Beaumont 1957), Sistan-o Baluchestan (de Beaumont 1970), West Azerbaijan (Samin & Bagriacik 2016).

General distribution: Albania, Algeria, Armenia, Austria, Azerbaijan, Belarus, Belgium, Bulgaria, China, Croatia, Cyprus, Czech Republic, France, Georgia, Germany, Greece, Hungary, Iran, Iraq, Israel, Italy, Japan, Jordan, Kazakhstan, Kyrgyzstan, Lebanon, Libya, Malta, Mongolia, Morocco, Oman, Pakistan, Palestine, Poland, Portugal, Romania, Russia, Serbia, Slovakia, Slovenia, Spain, Switzerland, Syria, Tajikistan, Turkey, Turkmenistan, Ukraine, Uzbekistan.

Remarks: This species was first recorded as Stizus tridens by Morice (1921). Two subspecies, Bembecinus tridens cyanescens Radoszkowski, 1887 (de Beaumont 1970) and Bembicinus tridens tridens (Rezaei & Fallahzadeh 2015; Samin & Bagriacik 2016) have been recorded from Iran.