Scientific name: Brachythemis contaminata

Habitat: marsh, pond

Body length: 27-31 mm

Distribution in Hong Kong: widespread, e.g. Hong Kong Wetland Park, Long Valley, Luk Keng

Flight period in Hong Kong: April to November

Identification features (male) :

1. Large extent of orange spot on wings

2. Pterostigma orange

3. Abdomen orange

Identification features (female):

1. Synthorax and abdomen yellow, with pale vertical yellow stripes on abdomen

2. Wings with pale yellowish brown spot, not apparent in some individuals

3. Pterostigma yellow