CLADOENDESIS OF EPHEMEROPTERA
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Figs 14–23. Larvae of Potamocloeon edentatum sp. n. 14 – male larva of last instar with well-developed cuticular coloration; 15 – female larva of penultimate instar with light cuticle and well-visible hypodermal coloration; 16 – exuviae of fore leg with prothoracic pleurite; 17 – exuviae of middle leg; 18 – exuviae of hind leg with metathoracic pleurite and part of metanotum (arrow shows vestige of hind protopteron); 19 – exuviae of abdomen; 20 – exuviae of right half of pronotum and mesonotum; 21 – head; 22 – portion of cercus and paracercus in middle part; 23 – apices of cercus and paracercus.