Leafhoppers of the Genus Acericerus Dlabola, 1974 (Hemiptera, Cicadellidae: Eurymelinae) in the Caucasus and Middle Asia

Idiocerus acericola Dubovsky, 1966 is transferred to the genus Acericerus Dlabola, 1974, redescribed, illustrated, and recorded from Tajikistan for the first time. Acericerus heydenii (Kirshbaum, 1868) is recorded for the first time from the Karachaevo-Cherkess Republic in Russia and from Turkmenistan, and A. ribauti Nickel et Remane, 2002, from Stavropol Territory of Russia and Armenia. The origin, distribution, and sexual dimorphism in coloration for the genus Acericerus are discussed.