anterior view / head (body)
ptilinal suture
額嚢縫合線［...］
ocellus ocellus median ocellus compound eye compound eye clypeus ocellar triangle ocellar triangle maxillary palpus maxillary palpus lubrum postfrons antennal segment 1 antennal segment 1 antennal segment 2 antennal segment 2 antennal segment 3 antennal segment 3 postfrons rostral membrane labellar cup labellar cup front-orbital plate(s) front-orbital plate(s)