Alaskaperla longidentata ( Raušer, 1968 )

Shi, Wenju, Wang, Hongliang & Li, Weihai, 2022, A new species and three new records of Chloroperlidae (Plecoptera) from northeastern China, Zootaxa 5093 (5), pp. 584-592 : 589-591

Alaskaperla longidentata ( Raušer, 1968)

( Figs. 4 , 5d )

Chloroperla longidentata Raušer, 1968: 378 .

Triznaka longidentata ( Raušer, 1968) : Zwick 1972: 35; Zwick 1973: 300.

Alaskaperla longidentata ( Raušer, 1968) : Zwick 2007: 67; Teslenko 2009: 699; Surenkhorloo 2009: 713; Teslenko & Zhiltsova, 2009: 80; Judson & Nelson 2012: 26 .

Material examined. 1 male and 2 females ( CAU). China, Inner Mongolia Autonomous Region, Genhe City, Mangui Town , 2009.VII.25, Gang Yao .

Diagnosis and remarks. Head is pale without markings or stigmata ( Fig. 4a ). Median abdominal stripe on each tergum ending at posterior margin of tergum 7 ( Fig. 5d ). Tergum 10 medially slightly sclerotized, sternum 9 long, nearly triangular, posterior margin sharp ( Figs. 4b, 4c ). Epiproct is gradually widened toward to apex in dorsal view along its entire length and hook-like with sharp apex in lateral view ( Figs. 4b, 4d ). The genus and species are reported from China for the first time.

Distribution. Russia, Altai, Magadanskaya, Amurskaya and Khabarovsk Krai (Teslenko & Zhiltsova, 2009); Mongolia ( DeWalt et al. 2021); Inner Mongolia of China.

Figures

FIGURE 4. Alaskaperla longidentata (male). a. Head and pronotum, dorsal view. b. Terminalia, dorsal view. c. Terminalia, ventral view. d. Terminalia, lateral view. T9: Tergum 9, Ep: Epiproct, S8: Sternum 8. S9, Sternum 9.

FIGURE 5. Abdominal, dorsal view (male). a. Suwallia kuandian sp. nov. b. Suwallia asiatica. c. Sweltsa illiesi. d. Alaskaperla longidentata.