Key to species of Scapanoclypeus (modified from Sehnal 2013, 2014) 1 Protibia with inner subapical spur..................................................................................................................................................... 2 - Protibia without inner subapical spur............................................................................................................................................... 3 2 Clypeus without punctures, protibial teeth long, apical tooth distinctly separated from middle tooth........ S. sinepunctatus Sehnal - Clypeus with double punctures, protibial teeth short and evenly spaced................................................................ S. hardap Sehnal 3 Protibia bidentate or appearing bidente............................................................................................................................................. 4 - Protibia tridentate ............................................................................................................................................................................. 7 4 Clypeus punctate............................................................................................................................................................................... 5 - Clypeus impunctate.......................................................................................................................................................................... 6 5 Clypeus with a large, central, round disc; elytra monochromatic reddish brown; protarsi, mesotarsi, and metatarsi testaceous....... ............................................................................................................................................................................ S. triapicalis Sehnal - Clypeus without a large central round disc; elytra bicolored, disc yellowish brown, with brownish-black margins; protarsi and mesotarsi testaceous, metatarsi reddish brown........................................................................................ S. bicoloratus new species 6 Clypeus testaceous, shiny..................................................................................................................................... S. testaceus Evans - Clypeus piceous, dull, alutaceous.......................................................................................................................... S. aberrans (Frey) 7 Clypeus with divergent projections when viewed anteriorly................................................................................. S. cornutus Evans - Clypeus without divergent projections when viewed anteriorly ...................................................................................................... 8 8 Medial clypeal projection narrowly acuminate, connected with transverse frontal carina by a longitudinal carina. ........................ .............................................................................................................................................................................. S. carinatus Evans - Medial clypeal projection broadly acuminate, without a frontal longitudinal carina ....................................................................... 9 9 Clypeus moderately setigerously punctate; head piceous, pronotum and elytra fulvous; male genitalia with parameres showing basal line of fusion; length 7.5–9.0 mm. ...................................................................................................... S. aulacocoleatus Evans - Clypeus sparsely setigerously punctate; head and pronotum dark, elytra fulvous; male genitalia without basal line of fusion; length 6.5–8.0 mm............................................................................................................................................... S. brunneus Evans

Published as part of Sehnal, Richard, 2017, Scapanoclypeus bicoloratus new species from Hardap, Namibia (Coleoptera: Scarabaeidae: Melolonthinae: Tanyproctini), pp. 593-598 in Zootaxa 4247 (5) on pages 597-598, DOI: 10.11646/zootaxa.4247.5.6, http://zenodo.org/record/439188