A review of the Japanese Cybocephalidae (Coleoptera: Cucujoidea) Author Hisamatsu, Sadatomo text Zootaxa 2013 3616 3 253 267 journal article 10.11646/zootaxa.3616.3.3 436ae0f7-a379-4cb9-a2ef-41a28fc8a279 1175-5326 218827 F70AC1EE-5A70-42B8-B1F2-55C734D26FD9 Key to Cybocephalidae from Japan 1. Eyes indistinctly visible in ventral aspect. Metaventrite ( Fig. 2 A) concave and short, about as long as mesoventrite. Apical margin of inter-metacoxal area of abdominal sternite III ( Fig. 2 A) narrow and acuminate ( Pastillus ). Antennae ( Fig. 8 K) tensegmented.................................................................. Pastillus eminentithorax sp. nov. – Eyes distinctly visible in ventral aspect. Metaventrite ( Fig. 2 B) convex and elongate, longer than mesoventrite. Apical margin of inter-metacoxal area of abdominal sternite III ( Fig. 2 B) wide and broadly rounded ( Cybocephalus ). Antennae ( Figs. 4 I, 6F, 7I ) eleven-segmented.................................................................................. 2 2. Head and anterior margin of pronotum ( Fig. 1 C) with metallic luster...................... C . ( C .) chlorocapitis sp. nov. – Head and anterior margin of pronotum without metallic luster.................................................. 3 3. Male pronotum ( Fig. 1 A) yellowish. Median lobe of male genitalia ( Fig. 4 C) in lateral view extremely thin. Elytral punctures ( Fig. 3 B) large, as large as an eye-facet at middle................................ C . ( C .) nipponicus Endrödy-Younga – Male pronotum ( Fig. 1 B) black. Median lobe of male genitalia ( Figs. 5 P–T) in lateral view extremely thick. Elytral punctures ( Fig. 3 C–D) small, smaller than an eye-facet at middle................................... C . ( C .) politissimus Reitter