Scanning electron micrographs of thorax in ventral view A, B prosternum: A Tobochares striatus with white arrow pointing to anterior projection B Quadriops reticulatus with white arrow pointing to anterior projection C–G mesoventrite and metaventrite: C Crucisternum ouboteri with white arrows pointing to anteriorly pointed transverse ridge and longitudinal carina of mesoventrite, metaventrite with median glabrous patch D Nanosaphes tricolor with black arrow pointing to longitudinal carina along mesoventrite and white arrows pointing to median and postero-lateral glabrous patches of metaventrite E Quadriops reticulatus with black arrow pointing to transverse carina across mesoventrite and metaventrite uniformly pubescent F Tobochares communis with black arrow pointing to longitudinal carina along mesoventrite and white arrow pointing to narrow postero-medial glabrous patch on metaventrite G Tobochares kasikasima with black arrow pointing to transverse elevation across mesoventrite and white arrow pointing to broad postero-medial glabrous patch on metaventrite. Scale bars: 100 μm.