Freshwater Macroinvertebrates in Hong Kong

Orthetrum glaucum (Common blue skimmer)

Habitat: larvae found in marshes, ponds and streams

General appearance: body medium large sized, up to about 20mm long, covered with hairs; head rectangular with bean-like eyes, labium mask-shaped with 8 palpal setae; wing pads extending to abdominal segment VI; dorsal spines on abdominal segments IV - VII (but actually a minute on S8), lateral spines on abdominal segments VIII - IX

Fullview alive
Head
Labium
Fullview
Head
Head in ventral view
Labium
Abdomen
Abdomen
Cerci