Scientific name: Pseudagrion pruinosum fraseri

Habitat: slow-flowing lowland stream

Body length: 42 mm

Distribution in Hong Kong: Scatteredly distributed in the New Territories and Lantau Island, e.g. Tan Shan River, Lam Tsuen, Mui Wo

Flight period in Hong Kong: April to December

Identification features (male):

1. Frons reddish brown

2. Synthorax black, with two sides pruinose blue

3. Abdomen end pruinose grey

Identification features (female):

1. Synthorax reddish brown

2. Dorsum of abdomen black