Kamimuria nigrita Wu, 1962

Zhang, Rui, Dong, Miao, Bozdoğan, Hakan & Li, Weihai, 2025, New synonyms of Kamimuria Klapálek, 1907 (Plecoptera, Perlidae) from Yunnan Province, China, Zootaxa 5661 (1), pp. 125-131 : 126-128

Kamimuria nigrita Wu, 1962

( Figs. 1–2 )

Kamimuria nigrita Wu, 1962: 140 .

Kamimuria nigita : Wu, 1962: 144. (misspelled).

Kamimuria nigrita : Zwick, 1973: 264; Sivec et al., 1988: 32; Sivec & Stark, 2008: 137; Du et al., 1999: 61; Stark & Sivec, 2013: 117 .

Kamimuria atra Sivec & Stark 2008:111 . syn. nov.; Stark & Sivec, 2013: 118 ; Li et al., 2023: 75 .

Kamimuria guangxia Li & Wang, 2013 . in Wang et al., 2013: 84 . syn. nov.; Stark & Sivec, 2013: 117.

Examined material. Holotype male ( IZCAS), labelled “ Kamimuria nigrita Wu 1962 , Holotype, Yunnan Province, Simao City (now Pu’er City, Simao District ), Kunluo Road 591 km, 1350 m, 1957.IV.11, leg. Fuji Pu ( Fig. 1 )”, paratype: 1 male, same data as for holotype.

Additional material: 2 males ( CAU), China: Yunnan Province, Malipo County, Nanwenhe Village , 1300 m, 22.9832°N, 104.6683°E, 1990.VII.12, leg. unknown .

Remarks. Kamimuria nigrita Wu 1962 was previously known only from the original description and illustrations. The male of this species is externally characterized by the dark body color and the slightly swollen and upcurved apex of hemitergal lobes ( Figs. 1a–d ). These diagnostic characters align with the types of K. guangxia Li & Wang, 2013 ( Wang et al. 2013) known from Guangxi Zhuang Autonomous region of southern China. The head and pronotal patterns of the paratype male are much faded ( Fig. 2a ) but the distal upcurve of the apex of the hemitergal lobe is distinct ( Figs. 1c–d . 2b ). However, the swollen apex of hemitergal lobes, which was considered as a diagnostic character of K. guangxia ( Wang et al., 2013, see their figs. 1A, 2A), is only observed before treatment with 10% NaOH. Given that this variability occurs in the same male, we consider the differences as intraspecific, potentially influenced by specimen treatment and photographic angles (comparing Fig. 1c and Fig. 2b ). We subsequently everted the aedeagus of the type and found that the aedeagal features ( Figs. 2c–h ) are identical with K. atra Sivec & Stark 2008 (see their figs. 6–7). Therefore, we consider that K. atra and K. guangxia are subjective junior synonyms of K. nigrita . We examined two additional males which we originally identified as K. guangxia . We found the diagnostic features are consistent among those of the Yunnan population and the Guangxi types as well.

Distribution. China (Guangxi Zhuang Autonomous Region, Yunnan Province); Thailand; Vietnam.

Figures

FIGURE 1. Kamimuria nigrita Wu, 1962 (a, b: holotype; c, d: paratype). a: habitus in dorsal view with labels; b: habitus, ventral view; c: terminalia, before being cleared, dorsal view, showing hemitergal lobe with swollen apex; d: terminalia, lateral view.

FIGURE 2. Kamimuria nigrita Wu, 1962 (paratype male). a: head and pronotum, dorsal view; b: cleared terminalia, dorsal view, showing variation of the apex of hemitergal lobe; c, d: aedeagus, dorsal view; e, f: aedeagus, ventral view; g, h: aedeagus, lateral view.