L. importunus  troublesome, insolent  < portare  to endure; Levaillant 1802, gave the name “L'Importun” to the Sombre Greenbul because it followed hunters and warned other birds by its loud, irritating and persistent calls (French importune  tiresome, obtrusive) (Andropadus).

Search for more names on the Key to Scientific Names in Ornithology by James A. Jobling.
Recommended citation
Jobling, J. A. (2018). Key to Scientific Names in Ornithology. In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.) (2018). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from on 15 December 2018).