First Chinese record and the second species of the genus Pleurigona Malloch, 1929 (Diptera: Lauxaniidae)

Wenliang Li,Ding Yang,Ling Qi

doi:10.35929/rsz.0018

Abstract

The genus PleurigonaMalloch, 1929 is newly recorded in China with the description of one new species, Pleurigona bicolor sp. nov. Photographs and illustrations are provided for the species.

Highlights

The genus Pleurigona Malloch, 1929 (Diptera: Lauxaniidae) was introduced for P. curvinervis Malloch, 1929 from Luzon, Philippines. This genus can be recognized by the following characteristics: face convex; frons bare, strongly inclined and on the same plane with the face; the thorax is pronouncedly arched, with strong dorsocentrals and acrostichals; the preapical ad of fore and hind tibiae quite long, the preapical ad mid tibia short; the vein R1 sinuous and roundly curved forward at apex; M1 conspicuously arched down to wing margin
The examined specimens have been deposited in the Entomological Museum of China Agricultural University (CAU), Beijing
Mesoscutum (Fig. 4) with 1 pair of wide brown lateral bands, 1 wide brown median band composed of 5-6 brown oval spots which get brighter from poasterior to anterior; wing (Fig. 2) with basal third hyaline, with some brown spots at cross points of veins; costal cell R2+3, R4+5, M1 each with 1 square apical spot, except apical spot of R4+5 nearly flabelliform; a brown spot

Summary

Introduction

The genus Pleurigona Malloch, 1929 (Diptera: Lauxaniidae) was introduced for P. curvinervis Malloch, 1929 from Luzon, Philippines. This genus can be recognized by the following characteristics: face convex; frons bare, strongly inclined and on the same plane with the face; the thorax is pronouncedly arched, with strong dorsocentrals and acrostichals; the preapical ad of fore and hind tibiae quite long, the preapical ad mid tibia short; the vein R1 sinuous and roundly curved forward at apex; M1 conspicuously arched down to wing margin. Type material: Holotype, male; CHINA, Guizhou Province, Suiyang, Kuankuoshui reserve, Zhongxinzhan, 28.2076°N 107.1726°E, 1449 m; collected 15.08.2010; collector Guoquan Wang (CAU).

Results

Conclusion