PLATE 1.11. QUEEN MOUTHPARTS , LABIAL PALP

BOTTOM LEFT TWO distalmost segments of the labial palp. Less than a dozen sense organs are at the tip. (x388)

BOTTOM RIGHT Tip of the penultiniate labial palp segment and the base of the apical segment. Chenioreceptor and/or mechanoreceptor hairs arise at the base of the distal segment. ( x 1,068)

TOP Articulation between the first and second segments of the queen labial palp. Peg organs and sensilla chaetica are obvious features. Cuticular scales (probably uninnervated) are circumferentially arrayed. (x 1,333)