Tribe Gymnobothrini. Figs 204–212. Gymnobothrus temporalis male: 204. Oblique view head and pronotum. (205–208, topotype material temporalis from Namibia; 209–212, topotype material emini, D.R. Congo). 205, 209. Pronotal disc; 206, 210. Oblique view vertex; 207, 211. Dorsal view vertex; 208, 212. Frontal ridge. Figs 213–224. Gymnobothrus flexuosus male: (213–216, brevipennis; 217–220, Ethiopia, Wardere; 221–224, Angola). 213, 217, 221. Pronotal disc; 214, 218, 222. Oblique view vertex; 215, 219, 223. Dorsal view vertex; 216, 220, 224. Frontal ridge. Scale lines are all l mm: that under Fig. 218 applies to Figs 204, 205, 209, 213, 217, 221; that under Fig. 213 applies to Figs 206–208, 210–212, 214–216, 218–220 and 222–224.