Freshwater Macroinvertebrates in Hong Kong

Sieboldius alexanderi (Small dragonhunter)

Habitat: larvae associated with leaf litter and mud in streams

General appearance: body very large sized, probably up to 40mm long; antennae flat and bat-shaped; two rows of continual patches of setae located on outer edge of tibiae of fore- and middle legs; hind legs slender and long; abdomen broad and plate-like, very distinctive

Fullview
Head
Labium
Labium
Foreleg
Abdomen
Anal appendages
Early instars