Afrixalus quadrivittatus (Werner, 1908)

Class: Amphibia > Order: Anura > Family: Hyperoliidae > Genus: Afrixalus > Species: Afrixalus quadrivittatus

Megalixalus leptosomus quadrivittatus Werner, 1908 "1907", Sitzungsber. Akad. Wiss. Wien, Phys. Math. Naturwiss. Kl., 116: 1900. Syntypes: Including NHMW 3723, according to Häupl, Tiedemann, and Grillitsch, 1994, Kat. Wiss. Samml. Naturhist. Mus. Wien, 9: 29. Type locality: On the Nile near Khor Attar, Sudan. This locality is about 30 km southeast of Tonga, Sudan, on the Nile, not to be confused with the location of the same name on the Red Sea coast; see map provided by Werner, 1919, Denkschr. Akad. Wiss. Wien, Math. Naturwiss. Kl., 96: 437–509 (E. Greenbaum, personal commun., 10 Nov 2014). 

Afrixalus quadrivittatusSchiøtz, 1975, Treefrogs E. Afr.: 76. Perret, 1976, Bull. Soc. Neuchatel. Sci. Nat., 99: 19-28. Hyperolius leptosomus Peters, 1877, Monatsber. Preuss. Akad. Wiss. Berlin, 1877: 619. Holotype: ZMB 9175 according to Bauer, Günther, and Klipfel, 1995, in Bauer et al. (eds.), Herpetol. Contr. W.C.H. Peters: 44. ZMB 24499 was treated 'Type' by Laurent, 1961, Rev. Zool. Bot. Afr., 64: 68. Type locality: "Chinchoxo (Westafrika)" [= Cabinda, Angola]. Synonymy with Afrixalus fulvovittatus by Schiøtz, 1975, Treefrogs E. Afr.: 78; Lötters, Gossmann, Obame, and Böhme, 2001, Herpetofauna, Weinstadt, 23: 28. See comment.

English Names

None noted.


Central Republic of Congo, western and southeastern Democratic Republic of Congo, and western Nigeria, east to South Sudan and western Ethiopia, and south to southern Tanzania and southern and western Democratic Republic of Congo. It is presumed to occur in the Cabinda Enclave of Angola, and probably also in northern Angola, Zambia and Malawi (see comment for discussion of West African populations).


Removed from the synonymy of Afrixalus fulvovittatus by Köhler, Scheelke, Schick, Veith, and Lötters, 2005, Afr. Zool., 40: 132, where it had been placed by Laurent, 1982, Ann. Mus. R. Afr. Cent., Tervuren, Ser. Octavo, Sci. Zool., 235: 45. Köhler, Scheelke, Schick, Veith, and Lötters, 2005, Afr. Zool., 40: 131-133, discussed confusion with Afrixalus leptosomus and Afrixalus fulvovittatus and the uncertainty of the range. The composition and range of this taxon is highly controversial. Pickersgill, 2007, Afr. J. Herpetol., 56: 23-37, regarded Afrixalus "quadrivittatus" as a conglomeration of species not otherwise assignable to either Afrixalus fulvovittatus or Afrixalus vittiger. His treatment; by implication, of treating Hyperolius leptosomus Peters, 1877, and Hyperolius brevipalmatus Ahl, 1931, as not formally-recognized species, but as unapplied names, leaves the state of Afrixalus taxonomy in West Africa unsettled, a reflection on the real state of understanding of this difficult taxon. For this reason this record will sort in geographic searches to West Africa. This is not to imply that Afrixalus quadrivittatus (sensu stricto) occurs there, but that the savanna-forest ecotone regions of West Africa are inhabited by frogs currently associated with delimited species that Pickersgill (2007) regarded collectively as Afrixalus "quadrivittatus". Jackson and Blackburn, 2007, Salamandra, 43: 149-164, provided a record for Nouabale-Ndoki National Park, Rep. Congo. Lötters, Wagner, Bwong, Schick, Malonza, Muchai, Wasonga, and Veith, 2007, Fieldguide Amph. Rept. Kakamega Forest: 28-29, provided an account for a Kenya population. See account, photograph, and map for Ethiopia by Largen and Spawls, 2010, Amph. Rept. Ethiopia Eritrea: 111. Jongsma, Tobi, Dixon-MacCallum, Bamba-Kaya, Yoga, Mbega, Mve Beh, Emrich, and Blackburn, 2017, Amph. Rept. Conserv., 11 (1: e144): 10–12, provided records for southeastern Gabon and briefly discussed habitat and range. See comments under Afrixalus "quadrivittatus" for provisional assignments of other nominal taxa to this and related species. 

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