15) Byrsinus fossor (Mulsant & Rey, 1866)
Cydnus (Byrsinus) fossor Mulsant and Rey, 1866: 18 (as new species).
Byrsinus fossor: Walker 1867: 164 (new combination).
Material examined: Mazandaran province, Beshahr (57m), 1♀, September 2006. New record for Iran.
Distribution in Iran: Mazandaran province.
Distribution outside Iran: Armenia, Azerbaidjan, Bulgaria, China (Xinjiang), France, Hungary, Kazakhstan, Romania, Russia (South European Territory), Serbia and Montenegro, Spain, Ukraine.
Comment: Th e records of Byrsinus fossor from Afghanistan, Egypt, Mongolia, Tadzhikistan and Turkmenistan pertain to other species of the genus, according to Lis (2006: 19).