Mouth-apparatus of the larva of  Hesperinus  rohdendorfi KRIV  et  MAM. ( Hesperinidae ).
1 -- Upper lip (labrum) and antenna, dorsal view.  2 -- Mandible.  3 -- Lower lip (labium) and maxilla, ventral view.
ant = antenna,  crd = cardo,  hyp = hypopharynx,  st = stipes,  lac = lacinia,  lb = lower lip (labium).
(After KRIVOSJEINA, 1969)