Semidalis decipiens (Roepke, 1916)

Zhao 1, Yaru, Li *, Ying, Li, Min & Liu, Zhiqi, 2021, Two new species of Semidalis Enderlein, 1905 (Neuroptera, Coniopterygidae) from China, with an identification key to Chinese species, ZooKeys 1055, pp. 43-54 : 43

Semidalis decipiens (Roepke, 1916)

Figs 2 , 3

Type species.

Semidalis aleyrodiformis Stephens, 1836.

Material examined.

China: Yunnan (Province): Ruili ( County ): Longchuan ( Township ), [24.1776°N, 97.7947°E], 28.iii.2019, leg. Yaru Zhao and Mingming Zou, 70 males . China: Yunnan (Province): Jinghong ( City ), [21.9695°N, 100.8060°E], 23.iii.2019, leg. Yaru Zhao and Mingming Zou, 7 males . China: Yunnan (Province): Ruili ( County ): Guangshuang ( Village ), [23.9500°N, 97.7880°E], 1.v.1981, leg. Fasheng Li, 1 male . China: Yunnan (Province): Ruili ( County ): Longchuan ( Township ), [24.1776°N, 97.7947°E], 1.v.1981, leg. Chikun Yang, 2 males . China: Yunnan (Province): Menghai ( County ), [22.0031°N, 100.2050°E], 9.iv.1981, leg. Fasheng Li, 1 male . China: Yunnan (Province): Jinghong ( City ), [22.0285°N, 100.9025°E], 9.iv.1981, leg. Fasheng Li, 1 male .

Measurements.

Male: Body length 1.8-2.4 mm. Antennae 31-34 segment, 2.1-2.3 mm in length. Forewing length 2.2-3.0 mm, width 1.0-1.1 mm. Hindwing length 2.0-2.4 mm, width 0.8-0.9 mm (N = 20).

Redescription.

Head (Fig. 2 ). Dark brown. Frons and palpi normal. Compound eyes large and dark. Antennae brown. Scape and pedicel broad and blunt. Basal flagellomeres wider than long. Distal flagellomeres gradually tapering toward apex. Apical flagellomeres tapered. Pedicel and flagellomeres each with two circles of hair-like sensilla. Maxillary and labial palps yellowish brown.

Thorax (Fig. 2 ). Pale ochreous. Thoracic apodemes light brown. Sutures dark brown. Meso- and metanotum with shoulder spots. Legs brown.

Wing. Wing membrane light greyish brown, almost hyaline.

Male terminalia (Fig. 3 ). Abdomen pale ochreous. Segment 9 wholly synscleritous, proximally strengthened by an apodeme encircling the whole abdomen. Ectoproct subtriangular in lateral view; dorso-caudal angle acute in caudal view. Stylus slender and apparently projecting from the border of ectoprocts and segment 9. Hypandrium truncate apically in lateral view; dorsal margin with a shallow incision in caudal view. Parameres pick-like; basal part slender; distal part widened and curved upwards decidedly, with ventral knob in middle part. Uncini absent.

Remarks.

This species is reported from China for the first time.

Distribution.

China (new record), Yunnan; India; Indonesia; Malaysia ( Sziráki 2011).

Figures

Figure 2. Semidalis decipiens (Roepke, 1916), male habitus, lateral view. Scale bar: 1 mm.

Figure 3. Semidalis decipiens (Roepke, 1916), male genitalia a, b genitalia, lateral view c, d genitalia, caudal view e, f genitalia, ventral view g parameres, lateral view. Pa, parameres; S, stylus.