Boernerina occidentalis Hille Ris Lambers and Hottes, 1962

Material. 23 apt. and 9 al., No. 10230, SSWBer, Alnus alnobetula fruticosa (Rupr.) Raus., 5.vii. 2012, on upper and lower surface of leaves.

Distribution outside Chukotka AO. USA (Alaska, Oregon). Comments. Aphids were found on many leaves, but they were distributed with only one or a few individuals per leaf.