FIGS 15±19. Katacamilla cavernicola third instar larva. (15) Creeping welt of an abdominal segment; (16) detail of creeping welt; (17) lateral view of anal division; (18) ventral view of anal division; (19) posterior spiracle, ventral view of anal division. Scale bars 5(15) 100 mm; (16) 30 mm; (17) 100 mm; (18) 100 mm; (19) 250 mm.