A type catalogue of the reed frogs (Amphibia, Anura, Hyperoliidae) in the collection of the Museum fuer Naturkunde Berlin (ZMB) with comments on historical collectors and expeditions Author Tillack, Frank Museum fuer Naturkunde Berlin, Leibniz-Institute for Evolution and Biodiversity Science, Invalidenstrasse 43, 10115 Berlin, Germany Author Ruiter, Ronald de Nederlands Openluchtmuseum, Hoeferlaan 4, 6816 SG Arnhem, The Netherlands Author Roedel, Mark-Oliver https://orcid.org/0000-0002-1666-195X Museum fuer Naturkunde Berlin, Leibniz-Institute for Evolution and Biodiversity Science, Invalidenstrasse 43, 10115 Berlin, Germany mo.roedel@mfn-berlin.de text Zoosystematics and Evolution 2021 2021-08-10 97 2 407 450 http://dx.doi.org/10.3897/zse.97.68000 journal article http://dx.doi.org/10.3897/zse.97.68000 1860-0743-2-407 DC2EBA6293A141938ADC2A79F7D658B9 9446F0CE40A752B4897F7B7B71BBFD29 Hyperolius irregularis Ahl, 1931a: 114. Syntypes. ZMB 36105 and 75606 (formerly part of ZMB 36105), "Mohasi-See, Ruanda" [Lake Muhazi, Eastern Province, Rwanda], coll. Johann Gustav Hermann Schubotz, VII/1907. Present name. Hyperolius viridiflavus ( Dumeril & Bibron, 1841). Remarks. Type specimens depicted in Ahl (1931b : 396, fig. 272). The syntypes were collected during the first "Deutsche Zentral-Afrika-Expedition", 1907-1908; see also remarks on Hyperolius adolphi-friederici .