Last larval instar of Stigmella schinivora under scanning electron microscopy: (19) general view, lateral; (20, 21) head, lateral and dorsal views, respectively; (22) mouthparts, anterior; (23) antenna, anterior; (24, 25) mesothoracic ambulatory calli, lateral and ventral views, respectively; (26) ambulatory calli of sixth abdominal segment, ventral; (27) spiracle of eighth abdominal segment, lateral; (28) last abdominal segment, dorsal; (29) detail of tenth abdominal segment showing distal portion of anal rods (indicated by asterisk), posterior projections (indicated by closed arrow) and vestigial setae (indicated by open arrow), dorsal; (30) D2 and L1 setae, indicated by open and closed arrows, respectively, lateral; (31) last abdominal segment showing lateral projection (indicated by closed arrow) and L1 setae (indicated by open arrow). Scale bars: 200, 20, 150, 10, 10, 50, 50, 50, 5, 20, 20, 20, and 20 μm, respectively.