Gyrinus (Gyrinus) caspius Ménetries, 1832

Van Vondel, Bernhard J., Ostovan, Hadi & Ghahari, Hassan, 2017, An annotated checklist of Iranian Myxophaga (Hydroscaphidae, Sphaeriusidae) and Adephaga (Gyrinidae, Haliplidae, Noteridae, Rhysodidae) (Insecta: Coleoptera), Zootaxa 4216 (3), pp. 225-246 : 230

Gyrinus (Gyrinus) caspius Ménetries, 1832

Gyrinus elongatus Aubé, 1838 .

Distribution in Iran. East Azarbaijan ( Atamehr 2002; Atamehr et al. 2004), Golestan ( Ochs 1953), Guilan ( Bodemeyer 1927; Guéorguiev 1965c; Kamali 2008), Mazandaran ( Ochs 1953; Legros 1972).

General distribution. Algeria, Armenia, Azerbaijan, Belgium, Bosnia Herzegovina, Bulgaria, Byelorussia, China (Xinjiang) , Croatia, Cyprus, Denmark, Estonia, France, Germany, Georgia, Greece, Iraq, Israel, Italy, Kazakhstan, Lebanon, Lithuania, Morocco, Netherlands, Norway, Poland, Portugal, Russia (Central and South European Territory) , Slovenia, Spain, Sweden, Ukraine, Syria, Turkmenistan, Turkey, former Yugoslavia ( Mazzoldi 2003), Iran ( Guéorguiev 1981; Mazzoldi 2003; Shaverdo 2003; Darilmaz & Kiyak 2006; Kiyak et al. 2006).

Comments. Puddles and slowly flowing streams; fresh and brackish water (Kiyak et al. 2006). Bodemeyer (1927) reports this species from a brooklet in the Elbruz Mountains.