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 Ecdyonurus ( Afghanurus ) aspersus (Kluge, 1980) MATERIAL EXAMINED. Ebelyakh River : station N 4, 24 .VIII 2015, 1 larva ; Kula River : station N 13, 16 .VIII 2015, 1 larva ; Mayat River : station N 16, 17 .VIII 2015 , 21 larvae, station N 10, 20 .VIII 2015, 14 larvae , station N 18, 21 .VIII 2015, 2 larvae ; Kholomolokh River : station N 3, 24 .VIII 2015, 8 larvae ; Morgogor River : station N 2, 24 .VIII 2015, 1 larva ; Olom River : station N 15, 26 .VIII 2015 , 8 larvae ; Brook 22: station N 17 , 21.VIII 2015 , 3 larvae . REMARKS. In the Anabar River basin, it is one of the most widespread species.