Scientific name: Lestes nodalis

Habitat: marsh

Body length: 38-41 mm

Distribution in Hong Kong: Wu Kau Tang, Pat Sin Leng

Flight period in Hong Kong: February to August, December

Identification features (male): 

1. Synthorax grey, with blue stripes

2. Abdomen mainly blue

3. The 7th to 8th abdominal segment black

Identification features (female): 

1. Synthorax and abdomen yellowish brown