New data on the mayflies (Ephemeroptera) of North-Western Yakutia Author Yanygina, L. V. Author Potapova, N. K. text Far Eastern Entomologist 2022 2022-01-09 446 13 23 http://dx.doi.org/10.25221/fee.446.3 journal article 10.25221/fee.446.3 2713-2196 7166730 AC799029-6D9F-4D8B-94A3-0618E92F9AD1 Ameletus procerus Bajkova, 1976 REMARKS. In 1985–1987, Ameletus procerus was recorded from Anabar River ( Kirillov et al ., 2007 ). Currently, Ameletus procerus is a synonym of Ameletus montanus Imanishi, 1930 (Kluge, 2007). At the same time, Ameletus montanus is divided into three subspecies, one of them ( Ameletus montanus rossicus ) is widely distributed in Altay , East Siberia and Russian Far East (Kluge, 2007).