Gretna

Familia: Hesperiidae
Subfamilia: Hesperiinae
Tribus: Gretnini
Genus: Gretna
Species: G. balenge – G. bugoma – G. carmen – G. cylinda – G. lacida – G. leakeyi – G. waga – G. zaremba

Gretna W.H. Evans, 1937.

Type species: Hesperia cylinda Hewitson, 1876: 449.

• Bridges, C.A. (1994). Catalogue of the Family-Group, Genus-Group and Species-Group Names of the Hesperioidea (Lepidoptera) of the World. Urbana, Illinois: Bridges. BHL Reference page. 
• Collins, S. & Larsen, T.B. 1995. A new species of Gretna from Cameroun. (Lepidoptera: Hesperiidae). Lambillionea 95(3): 561–562. PDF. Reference page. 
• Cong, Q., Zhang, J., Shen, J.H. & Grishin, N.V. 2019. Fifty new genera of Hesperiidae (Lepidoptera). Insecta Mundi 0731: 1-56. Reference page. 
• Evans, W.H. 1937. A Catalogue of the African Hesperiidae: indicating the classification and nomenclature adopted in the British Museum. British Museum (Natural History), London. 1–212. Reference page. 
• Hemming, A.F. 1967. The generic names of the butterflies and their type species (Lepidoptera: Rhopalocera). Bulletin of the British Museum (Natural History) 1967, Suppl. 9: 1–509. Reference page. 
• Hewitson, W.C. 1876. Descriptions of twenty-five new Species of Hesperidae from his own Collection. Annals and Magazine of Natural History (4)18(108): 449–457. Reference page.