Anax tristis

 
Common Name:
Black Emperor, Magnificent Emperor
Odonata
Order:
Odonata
Suborder:
Anisoptera
Family:
Aeshnidae
Genus:
Anax
Species:
A. tristis
Species Description
Anax is a genus of dragonflies. The word comes from Ancient Greek word anax, means "lord, master, king". It is a large-size dragonfly family, contains species like the Emperor Dragonfly, Anax imperator. The genus includes around 27 species.

Anax tristis (Hagen, 1867), the Black Emperor, or Magnificent Emperor, is the largest African dragonfly, also one of the largest worldwide dragonflies. It has a max size of 120 mm, wingspan up to 135 mm. It has green eyes and thorax, black abdomen with yellow spots. Males have a longer abdomen than females. Flight season from November to March.

It is found in Angola, Botswana, Cameroon, Chad, Comoros, Ivory Coast, Equatorial Guinea, Gabon, Gambia, Ghana, Guinea, Kenya, Liberia, Madagascar, Malawi, Mauritania, Mozambique, Namibia, Nigeria, South Africa, Sudan, Tanzania, Togo, Uganda, Zambia, Zimbabwe, possibly Burundi, and possibly Ethiopia. Its natural habitats are subtropical or tropical dry forests, subtropical or tropical moist lowland forests, dry savanna, moist savanna, subtropical or tropical dry shrubland, subtropical or tropical moist shrubland, swamps, intermittent freshwater lakes, freshwater marshes, and intermittent freshwater marshes.

The species is common and widespread in the tropical parts of all southern African countries. There are no records from the southern parts of South Africa, Namibia and Botswana. There is a single record from western Cape, but it is likely to belong to a vagrant specimen. This is a widespread species with no known major widespread threats and that is unlikely to be declining fast enough to qualify for listing in a threatened category, therefore it is assessed by IUCN Red List as Least Concern. 
 
 
 
 

Reference:
http://en.wikipedia.org/wiki/Anax_tristis
http://www.iucnredlist.org/details/59814/0


 

 

The Species on Stamps
Namibia
2007.03.02

 

 


Home  | Country List  |  Species List