Tarasova A. A., Ponomarenko M. G.
Far Eastern Entomologist 2026; (550): 1-8
Two species of the family Yponomeutidae have been recorded for the first time in the south part of Russian Far East. One of them, Yponomeuta mayumivorella Matsumura, is new to the fauna of Russia. Swammerdamia glaucella Junnilainen is firstly discovered in Amurskaya oblast and Primorskii Krai. Its known range is expanded eastward in Russia, including south of Russian Far East, and northward in East Asian region. Diagnostic characters of these species with illustrations of their adults and genitalia are provided.
