Ptychoptera longwangshana Yang & Chen, 1998

Shao, Jiaqi & Kang, Zehui, 2021, New species of the genus Ptychoptera Meigen, 1803 (Diptera, Ptychopteridae) from Zhejiang, China with an updated key to Chinese species, ZooKeys 1070, pp. 87-99 : 87

Ptychoptera longwangshana Yang & Chen, 1998

Figure 5a

Ptychoptera longwangshana Yang & Chen, 1998: 240. Type locality: Mount Longwangshan, Anji, Zhejiang (China).

Specimens examined.

Holotype male (CAU), China: Zhejiang Province, Anji District, Mount Longwangshan , 1996.VI.12, Chikun Yang.

Diagnosis.

Thorax mostly black. Wing marked with two brown marks and two brown bands. Surstylus of epandrium tapering and curved downward distally, curving up at tip. Gonocoxite wide and gonostylus short and small. Apical part of hypandrium with a pair of curved up and trough-shaped projections.

Description.

Wing length 8.0 mm. Wing (Fig. 5a ) 3.2 times as long as wide, subhyaline, marked with two brown marks and two brown bands as follows: an oval brown mark at base of R, a triangular brown mark at base of Rs; median band extending from anterior margin of wing, covering base of R2+3 and r-m, to middle section of CuA; subapical band extending from anterior margin of wing, covering tip of R1 and R2, to M1+2 fork, slightly separated into two marks. Veins brown; Sc ending in C at level of basal third of R2+3; Rs straight, 3 times the length of r-m.

Distribution.

China (Zhejiang).

Remarks.

Only one wing of the holotype was available during the study, while the rest of the holotype was not found in CAU. For a description and illustration of this species, also see Yang and Chen (1998).

Figures

Figure 5. Ptychoptera longwangshana Yang & Chen, 1998 and Ptychoptera gutianshana Yang & Chen, 1995 a wing of P. longwangshana b-f P. gutianshana (b wing c male genitalia, lateral view d epandrium, dorsal view e gonocoxite and gonostylus, dorsal view f hypandrium, ventral view). Scale bars: 1.0 mm (a, b); 0.2 mm (c-f).