Panorpa chengi Chou, 1981

Li, Ning, Wang, Ji-Shen & Hua, Bao-Zhen, 2021, Morphological phylogenetic analyses and taxonomic revision of the Panorpa davidi group (Mecoptera: Panorpidae), Arthropod Systematics & amp; Phylogeny 79, pp. 309-342 : 309

Panorpa chengi Chou, 1981

Fig. 3

Panorpa chengi Chou in Chou et al., 1981: 16, figs 63-64. Type locality: Qinling, Shaanxi, China; Wang & Hua, 2018: 315, figs 5-109-1-5-109-2.

Diagnosis.

This species can be readily recognized by the following characters: (1) wings devoid of markings, pterostigma faint (Fig. 3B-C ); (2) vein 1A ending at level of origin of Rs; (Fig. 3B-C ) (3) pro-, meso-, and metanotum yellowish, darkened laterally (Fig. 3B-C ); in males, (4) gonostylus with broad row of stout setae on inner margin; (5) gonocoxites bearing 4-6 short setae along beveled inner apex ventrally, with small protuberance below setae; (6) parameres slender, intensely curved, reaching half length of aedeagus; in females, (7) medigynium with main plate oblong; axis extending beyond main plate more than half its length anteriorly; lateral basal plates absent.

Material examined.

CHINA - Shaanxi Prov. • 1♂ (Holotype); Qinling ; 13 Jul. 1951; Io Chou leg. • 1♀; Huashan ; 30 Aug. 1983; Xiao-Lin Lu leg. • 1♂; Zhouzhi, Taibaishan, Tiejiashu ; 1770 m a.s.l.; 17 Jul. 2002; Xiao-Ni Nie & Wu Dai leg. • 35♂♂, 32♀♀; Ningshan, Huoditang ; 5 May-13 Jul. 2019; Xin Tong & Peng-Yang Wang leg. • 2♂♂, 2♀♀; Zhuque National Forest Park; 2000 m a.s.l.; 23 Aug. 2008; Bao-Zhen Hua & Qiang Fu leg. • 9♂♂, 12♀♀; Hanyin, Fenghuangshan, Leigutai ; 1800 m a.s.l.; 27 Jun. 2018; Kai Gao leg.

Measurements. Male: FL = 11.3-12.6 mm, FW = 2.9-3.2 mm; HL = 10.3-11.6 mm, HW = 2.8-3.1 mm. Female: FL = 11.6-13.1 mm, FW = 3.1-3.3 mm; HL = 10.8-12.0 mm, HW = 2.8-3.3 mm.

Distribution.

China: Shaanxi.

Remarks.

This species can be readily identified from other members of the P. davidi group by the gonostylus with a broad row of stout setae on inner margin.

Figures

Figure 3. Live adult habitus and habitat of Panorpa chengi Chou, 1981. A. Habitat in Huoditang, Ningshan, Shaanxi. B. Male, dorsal view. C. Female, dorsal view. Photos by Xin Tong (A) and by Kai Gao (B-C).