Argiagrion leoninum
Argiagrion leoninum is a species of damselfly in the family Coenagrionidae. It is not endemic to Sierra Leone. It is only known from one specimen so its status is doubtful. References 

 Dijkstra, K.-D.B. 2005. Argiagrion leoninum. 2006 IUCN Red List of Threatened Species. Downloaded on 9 August 2007. Coenagrionidae
Insects of West Africa
Endemic fauna of Sierra Leone
Insects described in 1876
Taxonomy articles created by Polbot