anterior plate of cibarium rostral membrane labellar cap postgena postgena 後頭 / occiput prementum 内葉 / lacinia 内葉 / lacinia maxillary palpus maxillary palpus fish-trap bristles posterior plate of cibarium postvertical bristle postvertical bristle vertical bristle vertical bristle 複眼 / eye(s) (compound eye) 複眼 / eye(s) (compound eye) occipital foramen