Hyperolius ventrimaculatus Ahl, 1931a: 107.
Holotype.
ZMB 78563, "Vulkangebiet nord-östlich des Kivu-See’s” [volcano region northeast of Lake Kivu, Virunga Mountains, along the border between Rwanda and the Democratic Republic of the Congo], coll. Werner Alborus von Raven, X/1907.
Present name.
Hyperolius castaneus Ahl, 1931a.
Remarks.
Drawing in Ahl (1931b: 381, fig. 256). The holotype was collected during the first "Deutsche Zentral-Afrika-Expedition", 1907-1908.