FIGURES 16–21. Sibinia femoralis mature larva head, antenna and mouth parts: 16—dorsal view (des—dorsal epicranial s., fs—frontal epicranial s., les—lateral epicranial s., ves—ventro epicranial s., at—antenna); 17—right maxilla, dorsal view (dms—dorsal malar s., vms—ventral malar s., mpxs—maxillary palps s., mbs—basioventral s., pfs—palpiferal s., stps—stipital s.), prementum and postmentum, ventral view (prms—premental s., pms—postmental s., ligs—ligular s.); 18—right mandible (mds—mandible dorsal s.); 19—antenna; 20—labrum and clypeus (lms—labral s.); 21—epipharynx (ams—anteromedial s., als—anterolateral s., mes—median s., lr—labral rods).