Ptychoptera bellula Alexander, 1937

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 bellula Alexander, 1937

Figure 4

Ptychoptera bellula Alexander, 1937: 367. Type locality: Hong San, Jiangxi (China).

Specimens examined.

Paratypes: 2 females (USNM), China: Jiangxi Province, Xunwu District, Hong San (1000-1053 m), 1936.VI.27-28, Judson Linsley Gressitt . Other material: 1 female (USNM), China: Zhejiang Province, Deqing District, Mount Moganshan , 1936.V.29, Père Octave Piel .

Diagnosis.

General coloration black. Haltere black with base of stem yellow. Wing with heavily brown bands and marks as follows: a large triangular brown mark in base of cells R and M; a irregular quadrate brown mark at origin of Rs; an elliptic brown mark at midlength of CuA1; a small oval brown mark at tip of A; median band extending from R to the bend in distal section of CuA2; subapical band extending from anterior margin of wing, covering tip of R1 and R2, to tip of M2; Rs about three-fifths the length of R4+5, 4 times the length of r-m.

Distribution (new record in bold).

China (Jiangxi, Zhejiang).

Remarks.

The determined specimen of this species collected from Zhejiang was identified by Alexander in 1939, but was not officially published to record. We re-determined it during the study and now record this species from Zhejiang for the first time. For descriptions and illustrations of this species, see Alexander (1937) and Krzeminski and Zwick (1993).

Figures

Figure 4. Ptychoptera bellula Alexander, 1937 a habitus of one paratype, lateral view b habitus of the other paratype, lateral view c-f one female identified by Alexander (c habitus of female, lateral view d one leg e wing f collection and identification labels). Scale bars: 2.0 mm (a-d); 1.0 mm (e).