Distribution in Africa and surrounding Islands
- Genus includes at least twelve Afrotropical species
- 2 species in Southern Africa
General identification features
- Zygonyx (Cascaders) males are (very) large (hindwing 37-61 mm) and diverse in appearance, although generally dark with conspicuous markings
- Z. torridus (Ringed Cascader) has 6-7 buff abdominal rings with yellow dot like markings in lateral view
- Z. natalensis (Blue Cascader) is thickly grey pruinose on thorax and abdominal segments 7-9
- 8½-19½ Ax in Forewing (‘½’ indicates often incomplete distal Ax)
Habitat and behaviour:
- Favouring fast-flowing water
- Rarely rest by the waterside, and perch in a hanging position.
- Often found hovering above open rapids and waterfalls.(Z. natalensis and Z. torridus)
- Z. torridus is the only one to commonly occur in dry areas and on temporary waters but also seen over slow flowing pools.
Click on images to link to description page
Adapted from Dijkstra & Clausnitzer 2014