Afrixalus stuhlmanni (Pfeffer, 1893)

Class: Amphibia > Order: Anura > Family: Hyperoliidae > Subfamily: Hyperoliinae > Genus: Afrixalus > Species: Afrixalus stuhlmanni

Megalixalus stuhlmanni Pfeffer, 1893, Jahrb. Hamburg. Wiss. Anst., 10: 99. Syntypes: ZMH; destroyed during World War II. Ahl, 1930, Sitzungsber. Ges. Naturforsch. Freunde Berlin, 1930: 96, noted a ZMB specimen as "Type", so possibly a syntype persists in that collection. Type locality: "Sansibar Insel" (= Zanzibar Island), Tanzania; rendered as "Mozambique (Quellimane) bis Tanga, Sansibar" by Ahl, 1930, Sitzungsber. Ges. Naturforsch. Freunde Berlin, 1930: 96.

Hyperolius unicolor Ahl, 1931, Das Tierreich, 55: 406. Holotype: ZMB. Type locality: "Ipiana", Tanzania. Synonymy with Afrixalus brachycnemis by Loveridge, 1933, Bull. Mus. Comp. Zool., 74: 346. Potential secondary homonym of Megalixalus fornasinii unicolor Boettger. The description in Ahl, 1931, Mitt. Zool. Mus. Berlin, 17: 122, appeared a few weeks later according to unpublished notes of A. Loveridge (fide R. Laurent). Considered a synonym of Megalixalus brachycnemis by Loveridge, 1933, Bull. Mus. Comp. Zool., 74: 356. Tentatively placed in this synonymy on the basis that Afrixalus brachycnemis sensu Loveridge, 1933 = Afrixalus stuhlmanni of Pickersgill, 2005, Steenstrupia, 29: 13, 19, although this name was not noted by Pickersgill in any of his synonymies.

Hyperolius pygmaeus Ahl, 1931, Das Tierreich, 55: 273. Holotype: ZMB unnumbered according to the original publication; ZMB 36102, according to Laurent, 1961, Rev. Zool. Bot. Afr., 64: 66. Type locality: "Tanga", Tanzania. Junior homonym of Hyperolius pygmaeus Meyer, 1874 (= Litoria pygmaea). The description in Ahl, 1931, Mitt. Zool. Mus. Berlin, 17: 22, appeared a few weeks later according to unpublished notes by A. Loveridge (fide R. Laurent). Synonymy by Pickersgill, 2005, Steenstrupia, 29: 13. The cryptic note by Pickersgill, 2007, Frog Search: 439, of "(part: H. pygmaeus Ahl, type)" in the synonymy of Afrixalus septentrionalis morerei Dubois, 1985, is worrisome inasmuch as in the same publication Pickersgill places Hyperolius pygmaeus into the synonymy of Afrixalus stuhlmanni. 

Afrixalus pygmaeus — Laurent, 1961, Rev. Zool. Bot. Afr., 64: 66.

Afrixalus stuhlmanni — Laurent, 1985, in Frost (ed.), Amph. Species World: 223; Pickersgill, 1996, Herptile, 21: 50; Poynton and Broadley, 1987, Ann. Natal Mus., 28: 161–229. 

Afrixalus stuhlmanni stuhlmanniPickersgill, 2005, Steenstrupia, 29: 17.

English Names

Lesser Banana Frog (Rose, 1950, Rep. Amph. S. Afr.: 113).

Stuhlmann's Banana Frog (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 66).

Stuhlmann's Spiny Reed Frog (Channing and Howell, 2006, Amph. E. Afr.: 142).

Distribution

Low to medium altitudes east of the Eastern Arc Mountains in northern and central Tanzania; Island of Zanzibar.  

Comment

Pickersgill, 2005, Steenstrupia, 29: 13-22, provided an account and summarized the extensive taxonomic confusion surrounding this species. Channing and Howell, 2006, Amph. E. Afr.: 141-143, 142-143, provided an account. See account by Pickersgill, 2007, Frog Search: 439-443 (as Afrixalus stuhlmanni stuhlmanni). Channing, Rödel, and Channing, 2012, Tadpoles of Africa: 192, reported on comparative tadpole morphology. Harper, Measey, Patrick, Menegon, and Vonesh, 2010, Field Guide Amph. E. Arc Mts. Tanzania and Kenya: 170–171, provided a brief account and photograph. Channing and Rödel, 2019, Field Guide Frogs & Other Amph. Afr.: 162–163, provided a brief account, photograph, and range map. 

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