CLADOENDESIS OF EPHEMEROPTERA
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Fig. 1–15. Larvae of Moribaetis maculipennis. 1–2 – last instar male larva, dorsal and lateral view (with hypodermal and cuticular coloration combined); 3 – just molted female larva (with hypodermal coloration only); 4 – part of its exuviae from abdomen (with cuticular coloration only); 5–11 – tergalii of pairs I–VII; 12 – head of last instar male larva; 13 – the same, penultimate instar; 14 – fragment of cercus with detached swimming setae, view from median side; 15 – fragment of costal rib of tergalius. Abbreviations: I–X – abdominal terga.