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Figs 1–3. Oligoneuria itayana, larvae: 1 — male larva of last instar and enlarged detailes of its III–IV abdominal segments (in the left half thoracic terga are removed, first tergalius on ventral side of abdomen is shown by interrupted line, setae on abdonminal segments III–IX not shown); 2 — head of male larva shortly before moult to subimago (pigmented subimaginal hypoderm, visible through larval cuticle, is dotted; cuticular pigmentation is not shown); 3 — head of female larva of last instar, lateral view; parts, hidden by frontal shield (clypeus, labrum and left mandible) are shown by interrupted line.
Ðèñ. 1–3. Oligoneuria itayana, ëè÷èíêè: 1 — ëè÷èíêà ñàìöà ïîñëåäíåãî âîçðàñòà è óâåëè÷åííûå äåòàëè III–IV ñåãìåíòîâ áðþøêà (íà ëåâîé ïîëîâèíå òåðãèòû ãðóäè óäàëåíû, ïåðâàÿ òåðãàëèÿ íà âåíòðàëüíîé ñòîðîíå áðþøêà ïîêàçàíà ïðåðûâèñòîé ëèíèåé, ùåòèíêè íà III–IX ñåãìåíòàõ áðþøêà íå ïîêàçàíû); 2 — ãîëîâà ëè÷èíêè ñàìöà íåçàäîëãî äî ëèíüêè íà ñóáèìàãî (ñóáèìàãèíàëüíàÿ ãèïîäåðìà, ïðîñâå÷èâàþùàÿ ñêâîçü ëè÷èíî÷íóþ êóòèêóëó, ïóíêòèðîâàíà; êóòèêóëÿðíàÿ ïèãìåíòàöèÿ íå ïîêàçàíà); 3 — ãîëîâà ëè÷èíêè ñàìêè ïîñëåäíåãî âîçðàñòà, ëàòåðàëüíî; ÷àñòè, ñêðûòûå ëîáíûì ùèòîì (êëèïåóñ, âåðõíÿÿ ãóáà è ëåâàÿ ìàíäèáóëà) ïîêàçàíû ïðåðûâèñòîé ëèíèåé.