Nemoura arctica Esben-Petersen, 1910

Nemoura arctica Esben-Petersen, 1910 View in CoL

Nemoura arctica Esben-Petersen, 1910: 85 View in CoL .

Nemoura trispinosa Claassen, 1923: 289 View in CoL .

Materials

Type status: Other material. Occurrence: recordedBy: Ya-Fei Zhu & Xiao Yang; individualCount: 1; sex: male; lifeStage: adult; occurrenceStatus: present; occurrenceID: 2EE0772D-FF21-5E04-81B9-84BFC182AF62; Taxon: scientificName: Nemoura arctica Esben-Petersen, 1910 ; kingdom: Animalia; phylum: Arthropoda; class: Insecta; order: Plecoptera ; family: Nemouridae ; genus: Nemoura ; specificEpithet: arctica ; taxonomicStatus: valid; Location: continent: Asia; country: China; countryCode: CN; stateProvince: Inner Mongolia Autonomous Region; locality: HulunBuir city, Genhe city, Jinhe town ; maximumElevationInMeters: 791; verbatimLatitude: 51.331111; verbatimLongitude: 121.491944; Identification: identifiedBy: Ya-Fei Zhu & Valentina A. Teslenko; Event: year: 2023; month: 5; day: 27; Record Level: language: en; institutionCode: ICYZU

Diagnosis

Males exhibit consistency with epiproct shape and characteristics across the Holarctic. The apical sclerite terminates laterally, bearing two short, thick spines. Male cerci are sclerotized laterally and terminate typically in a pair of appressed spines; they also have an outer spine (Fig. 3 View Figure 3 A-F).

Distribution

Canada, USA, and Europe, including Estonia, Finland, Latvia, Lithuania, Norway and Sweden, Mongolia ( DeWalt et al. 2024). Russia, north of the European part, Siberia, Far East ( Teslenko and Zhiltzova 2009). The species is recorded for China for the first time.