A review of the Japanese Kateretidae fauna (Coleoptera: Cucujoidea) Author Hisamatsu, Sadatomo text Acta Entomologica Musei Nationalis Pragae 2011 2011-12-09 51 2 551 585 journal article 10.5281/zenodo.5329313 0374-1036 5329313 Key to subgenera and species of Japanese Heterhelus 1 Labrum shallowly notched. Antenna with distinct 3-segmented club ( Fig. 8E ). Pronotum strongly convex. Parameres of male genitalia abruptly bent inward at mid-length ( Fig. 8A ). Head dark brown, always darker than elytra. Subgenus Boreades Parsons, 1943 . .. ............................................................................................... H. ( B. ) solani ( Heer, 1841 ) – Labrum deeply notched. Antenna with indistinct 3-segmented club ( Figs. 6O , 7D ). Pronotum feebly convex. Parameres of male genitalia regularly arcuate inwards ( Figs. 6A, 6D , 7A, 7E ). Head always the same color as elytra. Subgenus Heterhelus Jacquelin du Val, 1858 ......................................................................................................................... 2 2 Body uniformly black; sides of pronotum regularly arcuate, never angulate; parameres of male genitalia short and wide (LP/WP = 2.1 (n = 1)) ( Figs. 7A, 7E ); apex of median lobe bluntly rounded in lateral aspect ( Figs. 7C, 7F ); base of ovipositor pigmented ( Fig. 7G ). ........................................................................................... H. ( H. ) morio ( Reitter, 1878 ) – Body reddish-yellow to blackish; sides of pronotum regularly arcuate or strongly angulate; parameres of male genitalia long and slender (LP/WP = 3.1 (n = 1)) ( Figs. 6A, 6D ); apex of median lobe sharply acuminate in lateral aspect ( Figs. 6C, 6E ); base of ovipositor not pigmented ( Fig. 6F ). ...................................................... H. ( H. ) scutellaris ( Heer, 1841 )