Contributions to the aphid fauna (Hemiptera, Aphidoidea) of Chukotka Autonomous Okrug with descriptions of five new species Stekolshchikov, Andrey V. Khruleva, Olga A. Zootaxa 2015 4044 1 1 44 Hille Ris Lambers and Hottes, 1962 Hille Ris Lambers and Hottes 1962 [151,891,1369,1395] Insecta Aphididae Boernerina Animalia Aphidomorpha 3 4 Arthropoda species occidentalis   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.