Review of South African Euryphyminae Tshililo, Precious Zootaxa 2020 2020-07-27 4820 1 70 104 8NKVN [283,470,942,968] Insecta Acrididae Animalia Orthoptera 31 101 Arthropoda subFamily Euryphyminae  An updated key to the Southern African genera of Euryphyminae Modifiedfrom Dirsh (1956)      1.Pronotum in prozona crest-like with deep incision at first transverse sulcus ( Fig. 5).......................  Pachyphymus  – Pronotum without “camel-like” humped crests.............................................................. 2    2.Male cerci straight.................................................................................... 3  – Male cerci excurved................................................................................... 5    3.Lower margin of male cercus strongly dented, cerci straight, ending in an acute point ( Figs. 3C, 4B, 7G)....  Aneuryphymus  – Male cercus longer, ending in rounded or flattened surface..................................................... 4    4.Wings shortened, male cercus long and slender, strongly excurved and rounded with the angle between apex and base of cercus obstuse ( Fig. 7I)..............................................................................  Phymeurus  – Male cercus stump-like, not quite straight along bottom margin, apex square-like, does not form right angle with bottom margin ( Figs. 3G, 4E, 7H)...........................................................................  Rhodesiana    5.Male cercus relatively short, with very wide triangular base covered in coarse sensilla or setae, ending in simple pointed or blunt apex................................................................................................ 6  – Male cercus relatively longer, often upcurved with or without complex 3-dimensional shape.......................... 7    6.Male cerci short and slightly excurved, as long as its width, posterior margin of pronotum acute angular ( Figs. 3B, 4A, 6F)............................................................................................  Euryphymus  – Integument with a sandy brownish colour, posterior margin of pronotum with corrugated edges ( Figs. 3M, 4M, 6B)..............................................................................................  Plegmapteroides    7.Male cercus apex folded into almost right angle relative to base. Apex pointed or blunt. Sclerotized lobe extends outwards at right angle juncture.................................................................................... 8  – Male cercus upcurved at various angles with apex from pointed to blunt or rectangular or triangular.................... 9    8.Male cercus slender towards apex, ending in blunt point; basal lobe at right angle ( Figs. 3I, 4G, 6E)........  Platacanthoides  – Body small. Cerci slightly excurved, with obliquely truncate apex; angle between apex and base of cercus rounded rather than angular ( Figs. 3K, 4L, 7A).................................................................  Calliptamuloides     9.Male cerci long, very slender with obliquely truncate apex (Figs. 3D, 4C, 7C); hind tibia curved..............  Rhachitopis  – Hind tibia straight, cercus long and curved but not very slender................................................ 10    10.Body smooth, dorsum of pronotum flat when viewed laterally, posterior margin of pronotum obtuse................... 11  – Upcurved cercus, body varies in rugosity but not very smooth; dorsum of pronotum may be tectiform, rounded or irrelgular but does not appear flat when viewed laterally................................................................ 12    11.Body small. Fastigium of vertex concave, lower margin of male cerci slightly dented, male cerci hook shaped ( Fig. 7E).............................................................................................  Calliptamulus  – Male cerci with a narrowed base and wided but obliquely truncate apex ( Figs. 3F, 4H, 6A) ….................  Calliptamicus    12.Integument marked with patterns of brown, reddish-brown and grey; abdomen may be yellow; integument appears smooth and rather shiny......................................................................................... 13  – Greyish brown integument moderately rugose and matte coloured, not smooth and shiny............................ 14    13.Male cerci hook-shaped and prosternal process “pointy” ( Figs. 3E, 4D, 7D)............................  Brachyphymus  – Male cerci narrowed at base, apex strongly widened and rounded ( Figs. 3H, 4F, 6D). ………..............  Amblyphymus    14. Body robust; hind wings often brightly coloured. Cercus upcurved sharply, apex with complex 3-dimensional shape ( Figs.3J, 4J, 5C)....................................................................................  Plegmapterus  – Body slender, cercus forms 45⁰ angle with base; apex knob-like rounded ( Figs. 3M, 4K, 7B)..............  Plegmapteropsis