Figs. 7–11. Fourth larval instar of Dioxys cincta. 7. Entire larva, lateral view, setae not shown. 8. Same, dorsal view, with setae indicated on enlarged lateral swelling. 9. Head, lateral view, with sclerotized areas diagrammatically depicted by uniform gray overtone (in actuality, depth of pigmentation varies on sclerotized areas on uncleared specimen, as indicated in description); pigmentation of front of face and labium not certainly known in this view. 10. Head, frontal view, with setae approximately represented on left and pigmentation represented diagrammatically on right by uniform gray tone; broad unpigmented ecdysial bands only roughly bilaterally symmetrical on actual specimen. 11. Head, ventral view, with setae approximately represented on left and pigmentation represented diagrammatically on right. Scale line (= 1.0 mm) refers to figs. 7 and 8.