has part has part has_part labial palpus ligula prementum labium The cuticle of the mouthpart appendage composed of the cuticle of submentum, which is attached by the submental-mental conjunctiva to the cuticle of mentum, which is attached by the mental-premental conjunctiva to the cuticle of prementum, which is attached to the cuticle of palpiger by the premental-palpigeral conjunctiva, the cuticle of paraglossa by the premental-paraglossal conjunctiva, and the cuticle of glossa by the premental-glossal conjunctiva; the cuticle of palpiger is attached by the palpigero-palpal conjunctiva to the cuticle of labial palpus. cuticle of labium mouthpart mental-premental conjunctiva insect mentum submentum palpiger submental-mental conjunctiva premental-palpigeral conjunctiva premental-paraglossal conjunctiva premental-glossal conjunctiva palpigero-palpal conjunctiva