Dingy Dusk Hawker

Scientific name: Gynacantha subinterrupta

Habitat: pond and stream with canopy cover

Body length: 61-70 mm

Distribution in Hong Kong: Scattered over the New Territories and Lantau Island, e.g. Luk Keng, Fung Yuen, Tung Chung

Flight period in Hong Kong: all year round

Similar species: Blue-spotted Dusk-hawker, Ryukyu Dusk-hawker (Comparison)

Identification features: 

1. Mesepisternum without apparent stripes

2. Dorsum of synthorax near the base of forewings with a rhombus-shaped spot

3. Abdomen slender