Distribution in Iran. Mazandaran ( Legalov et al. 2010), Tehran ( Elburs-Gebirge) ( Dieckmann 1977 as Apion elongatum), Iran (no exact locality cited) ( Ehret 1990 as Apion ( Thymapion) elongatum).
General distribution. Algeria, Austria, Azerbaijan, Czech Republic, France, Georgia, Germany, Greece, Hungary, Italy, Kazakhstan, Latvia, Lithuania, Luxembourg, Poland, Romania, south European Russia, western Siberia, Slovakia, Spain, Switzerland, Ukraine ( Alonso-Zarazaga et al. 2017), Bulgaria, Iran, Turkey ( Ehret 1990).