Ghana

Trithemis grouti belongs to a genus that includes 51 species worldwide and 43 in Africa. It is a difficult genus, almost as much as the genus Orthetrum which has 36 species in Africa. 13 species were known in Ghana, and we have added a fourteenth with T. aenea. They are classified by group and Trithemis

Urothemis venata is a new species for Ghana; it was only described in 2015, even though its existence had been suggested by a photograph from 1983 (Dijkstra et al., 2015). It is likely that it was long confused with the only other blue Urothemis, which is much more common and easier to approach, U. edwardsii

Urothemis venata est une nouvelle espèce pour le Ghana ; il n'a été décrit qu'en 2015, même si son existence avait été suggérée par une photo de 1983 (Dijkstra et al., 2015). Il est vraisemblable qu'il ait été longtemps confondu avec le seul autre Urothemis bleu, beaucoup plus commun et plus facile à approcher, U.