Diura majuscula (Klapálek, 1912)

Zhu, Ya-Fei, Rehman, Abdur, Yang, Xiao, Huo, Qing-Bo, Zeng, Liang-Liang, Teslenko, Valentina A. & Du, Yu-Zhou, 2025, New records of stoneflies (Insecta, Plecoptera) from the Greater Khingan Mountains, China, Biodiversity Data Journal 13, pp. e 151489-e 151489 : e151489-

Diura majuscula (Klapálek, 1912)

Dictyopterygella majuscula Klapálek, 1912: 45 .

Diura majuscula Zhiltzova, 1975 .

Materials

Type status: Other material. Occurrence: recordedBy: Ya-Fei Zhu & Xiao Yang; individualCount: 7; sex: 3 males, 4 females; lifeStage: adult; occurrenceStatus: present; occurrenceID: 350DF541-54F4-5CE1-A85F-7C19EE812579; Taxon: scientificName: Diura majuscula (Klapálek, 1912) ; kingdom: Animalia; phylum: Arthropoda;; class: Insecta; order: Plecoptera ; family: Perlodidae ; genus: Diura ; specificEpithet: majuscula ; taxonomicStatus: valid; Location: continent: Asia; country: China; countryCode: CN; stateProvince: Heilongjiang; locality: Da Hinggan Ling Prefecture, Mohe county ; maximumElevationInMeters: 444; verbatimLatitude: 52.974534; verbatimLongitude: 122.543546; Identification: identifiedBy: Qing-Bo Huo; Event: year: 2023; month: 5; day: 28; Record Level: language: en; institutionCode: ICYZU

Type status: Other material. Occurrence: recordedBy: Ya-Fei Zhu & Xiao Yang; individualCount: 2; sex: 2 females; lifeStage: adult; occurrenceStatus: present; occurrenceID: 350DF541-54F4-5CE1-A85F-7C19EE812579; Taxon: scientificName: Diura majuscula (Klapálek, 1912) ; kingdom: Animalia; phylum: Arthropoda;; class: Insecta; order: Plecoptera ; family: Perlodidae ; genus: Diura ; specificEpithet: majuscula ; taxonomicStatus: valid; Location: continent: Asia; country: China; countryCode: CN; stateProvince: Heilongjiang; locality: Da Hinggan Ling Prefecture, Tahe county, Pangu town ; maximumElevationInMeters: 562; verbatimLatitude: 52.682158; verbatimLongitude: 123.861120; Identification: identifiedBy: Qing-Bo Huo; Event: year: 2023; month: 6; day: 1; Record Level: language: en; institutionCode: ICYZU

Type status: Other material. Occurrence: recordedBy: Ya-Fei Zhu & Xiao Yang; individualCount: 14; sex: 8 males, 6 females; lifeStage: adult; occurrenceStatus: present; occurrenceID: 350DF541-54F4-5CE1-A85F-7C19EE812579; Taxon: scientificName: Diura majuscula (Klapálek, 1912) ; kingdom: Animalia; phylum: Arthropoda;; class: Insecta; order: Plecoptera ; family: Perlodidae ; genus: Diura ; specificEpithet: majuscula ; taxonomicStatus: valid; Location: continent: Asia; country: China; countryCode: CN; stateProvince: Heilongjiang; locality: Da Hinggan Ling Prefecture, Tahe county ; maximumElevationInMeters: 363; verbatimLatitude: 52.304958; verbatimLongitude: 124.696754; Identification: identifiedBy: Qing-Bo Huo; Event: year: 2023; month: 6; day: 6; Record Level: language: en; institutionCode: ICYZU

Type status: Other material. Occurrence: recordedBy: Ya-Fei Zhu & Xiao Yang; individualCount: 4; sex: 2 males, 2 females; lifeStage: adult; occurrenceStatus: present; occurrenceID: 350DF541-54F4-5CE1-A85F-7C19EE812579; Taxon: scientificName: Diura majuscula (Klapálek, 1912) ; kingdom: Animalia; phylum: Arthropoda;; class: Insecta; order: Plecoptera ; family: Perlodidae ; genus: Diura ; specificEpithet: majuscula ; taxonomicStatus: valid; Location: continent: Asia; country: China; countryCode: CN; stateProvince: Heilongjiang; locality: Da Hinggan Ling Prefecture, Mohe county, Amuer town ; maximumElevationInMeters: 509; verbatimLatitude: 52.833932; verbatimLongitude: 123.173923; Identification: identifiedBy: Qing-Bo Huo; Event: year: 2023; month: 6; day: 8; Record Level: language: en; institutionCode: ICYZU

Diagnosis

The male paraprocts are slightly swollen, laterally without a projection in front of the apex. The M-line on the head is light and clear. The female subgenital plate is strongly transverse, not tapering posteriorly, reaching half the length of the 9 th sternum (Fig. 5 A-D).

Distribution

Russia, Far East ( Teslenko and Zhiltzova 2009). Mongolia ( DeWalt et al. 2024). The genus Diura Billberg, 1820 and species D. majuscula are recorded for China for the first time.

Figures

Figure 5. Diura majuscula (Klapálek, 1912). A male head and pronotum; B, C male terminalia, dorsal and ventral view; D female terminalia, ventral view.