Alexander Alexandrovich Yakhontov (Александр Александрович Яхонтов; in Moscow, Russian Empire — 17 November 1973 in Moscow, U.S.S.R.) was a entomologist who specialized in Lepidoptera. Jachontov described many new taxa mostly at the subspecies level and wrote biogeographic works notably on the Rhopalocera of the Vladimir and Nizhny Novgorod regions and those of the Caucasus. He wrote Nashi dnevnye babochki (Our Butterflies) published in Moscow in 1935. His work appears in Revue Russe d’Entomologie, Moscow Izvestia Moskovskogo entomologicheskogo obstshestva, Moscow Izvestija Kavkazskogo Museja, Tiflis Ent., Mater. Pozn. Fauny Flory SSSR The species Pararge jachontovi Sheljuzhko was named for him. 1879 births 1973 deaths Lepidopterists from the Russian Empire Soviet entomologists Scientists from Moscow