Nearctic Nemoura trispinosa Claassen, 1923 and N. rickeri Jewett, 1971 are junior synonyms of Holarctic Nemoura species (Plecoptera: Nemouridae).

摘要

Only five species of the diverse Holarctic stonefly genus Nemoura Latreille, 1796 are known to occur in North America. We used scanning electron microscopy to show that (a) N. trispinosa Claassen, 1923 is a junior synonym of N. arctica Esben-Petersen, 1910, and (b) N. rickeri Jewett, 1971 is a junior synonym of N. sahlbergi Morton, 1896. Four species of Nemoura: N. arctica, N. normani Ricker, 1952, N. sahlbergi, and N. spiniloba Jewett, 1954, and are now recognized from the Nearctic realm.