Prionocyphon, Redtenbacher, 1858

Yoshitomi, Hiroyuki, 2010, A new species of Prionocyphon from Taiwan (Coleoptera: Scirtidae: Scirtinae), Acta Entomologica Musei Nationalis Pragae 50 (2), pp. 529-533 : 532

Key to Taiwanese species of the genus Prionocyphon

1. Body oval; antennae pectinate in male; head and pronotum black; elytra yellowish-orange, with five black markings. .................................................................... P. babai sp. nov.

– Body elongate; antennae serrate in male; head, pronotum and elytra evenly testaceous. ........................................................................................................................................ 2

2. Body convex dorsally, large (TL 4.8 mm); elytra with indistinct longitudinal carinae; parameres pointed at apices; pala subrectangular. ..... P. macrodascilloides Ruta, 2010

– Body flattened dorso-ventrally, moderate in size (TL 3.6 mm); elytra with distinct longitudinal carinae; parameres obtuse at apices; pala oval. ..... P. costipennis Ruta, 2010