Deltoxenos cf. bequaerti, female, cephalothorax, photomicrographs A ventral side B dorsal side. Abbreviations: a – vestigial antenna, asI – abdominal segment I, bo – birth opening, cll – clypeal lobe, csI – constriction of abdominal segment I, lehc – lateral extension of head capsule, md – mandible, msn – mesonotum, mst – mesosternum, mtn – metanotum, mtst – metasternum, os – mouth opening, pn – pronotum, pst – prosternum (prosternal extension), sI – abdominal sternite I, sbhp – segmental border between head and prothorax, sbma – segmental border between metathorax and abdomen, sbmm – segmental border between mesothorax and metathorax, sbpm – segmental border between prothorax and mesothorax, sp – spiracle, ssf – supra-antennal sensillary field.