On the composition and palaeoecological significance of the odonate fauna of Darfur, western Sudan

A collection of dragonflies from Darfur, Western Sudan is analyzed, A comparison with literature data is made. In the northern Meidob Hills a significant fraction of Oriental spp. occur, with Orthetrum sabina the most interesting one. In the southern mountains of Jebel Marra, a pure Afrotropical fauna is found, with many relics of a rainforest environment, isolated in a Sahel landscape. Both types of relics are related to an early Holocene pluvial epoch, — A record of Pseudagrion s. sublacteum is the first for the western Nile valley.