Denim Dropwing. Denimvalvlerkie
Links to images and articles:
- A Guide to Identification of Dropwings (Trithemis) in General.
- Link to our image gallery of Denim Dropwing
- Link to close-up images for identification assistance.
- Click on images and links yo enlarge and open
Key identification features:
- Face is light brown with dark brown eyes with grey spots below.
- Thorax (short and stubby) and abdomen are an even pale blue to pruinescent light grey .
- Wings are clear with veins close to thorax showing light blue. Wings as long as abdomen..
- Pterostigmas are reddish brown between black veins, but very pale yellowish-brown on underside, especially in forewing.
- Seldom seen. Lives far from water.
Compared with other species:
- Distinctive with pale denim blue and very dark eyes.
- Navy Dropwing, T. firva, and Highlands Dropwing, T. dorsalis, look somewhat similar.
- Silhouette Dropwing, T. hecate, has a slender abdomen.
- Halfshade Dropwing, T. aconite, has narrow yellowish streak along the top of the abdomen.
Distribution and habitat:
- Found in warm eastern and northern side of South Africa.
- Rivers in open landscapes, shallow, rocky, strong flowing savanna rivers. Usually with rocks. Found from an altitude of 0 to 1700 m above sea level, but mostly between 200 and 1600.
- Territorial males perches mostly on stones or rocks midstream.
- Strong flyer, frequently darting off, returning to same perch.
Further reading and other information:
A Guide to Dragonflies and Damselflies of South Africa p. 198
Dragonflies and Damselflies of South Africa p. 180
Dragonfly Biotic Index p. 177
Websites of Interest:
Odonata Atlas of Africa VMU Number 668800
The IUCN Red List of Threatened Species
A Visual Guide to the Damselflies and Dragonflies of South Africa
Size Comparison Diagram Dragonflies, Damselflies
Morphology of a Dragonfly, Sketch 1, Sketch 2, Damselfly
Map of South Africa