|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