Eupathocera luctuosae (Pierce), female, cephalothorax, SEM micrographs A ventral side B dorsal side C left vestigial antenna, dorsal side D right vestigial antenna, dorsal side E left lateral border of abdominal segment I below spiracle, dorsal side F detail of anterior border of cephalothorax, dorsal side. Abbreviations: a – vestigial antenna, at – antennal torulus, lehc – lateral extension of head capsule, paa – periantennal area, pst – prosternum, ssf – supra-antennal sensillary field, sssf – sensillum of supra-antennal sensillary field.