Scientific name: Mortonagrion hirosei

Habitat: brackish marsh, mangrove

Body length: 26-30 mm

Distribution in Hong Kong: Mainly in mangroves in the New Territories and Lantau Island, e.g. Mai Po, Luk Keng, Sam A

Flight period in Hong Kong: April to October

Identification features: 

1. Four dot-like spots at dorsum of synthorax

Identification features (female)(subadult)

1. Upper part of eyes orange

2. Synthorax orange