Figs 60–69 in A review of Gnathoncus of Southeast Asia (Coleoptera: Histeridae: Saprininae)

Figs 60–69. SEM micrographs of Gnathoncus semimarginatus Bickhardt, 1920. 60 – head, dorsal view; 61 – antennal club, ventral view; 62 – mentum; 63 – propygidium and pygidium; 64 – prosternum; 65 – mesoventrite; 66 – lateral disc of metaventrite and metepisternum; 67–68 – protibia (67 – dorsal view; 68 – ventral view); 69 – mesotibia, dorsal view.