Hainan Hooktail

Scientific name: Lamelligomphus hainanensis

Habitat: woodland stream 

Body length: 60-64 mm

Distribution in Hong Kong: Major population found in Sham Tseng

Flight period in Hong Kong: April to September

Similar species: Guangdong Hooktail, Chinese Hooktail (Comparison)

Identification features

1. Dorsal carina without yellow stripe

2. Two yellow stripes at two sides of synthorax respectively, and some individuals with small yellow spot between yellow stripes

3. Yellow spot on the 7th abdominal segment

4. Superior anal appendage and inferior anal appendage form a complete ring in male