Mandibles of adult Badister pictus A, B photos from a stereoscopic microscope C–I photos by a SEM A, C dorsal view B, D dorsal view (from the front) E dorsal view (from the left mandible) F dorsal view (from the right mandible) G lateral view (from the left mandible) H lateral view (from the right mandible) I dorsal view of closed mandibles (from the right mandible). “d” indicates a depression of the left mandible; “n” indicates a dorsal notch of the right mandible; “tt” indicates a terebral tooth of the right mandible. All antennal segments (except the first segment) and all setae on labrum were removed in C–H.