CLADOENDESIS OF EPHEMEROPTERA
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Figs 1–5. Larva of Demoulinia crassi. 1 – Female larva of last instar; 2–3 – exuviae of male larvae: 2 – left half of prothorax and mesothorax; 3 – abdomen; 4 – abdomen of male subimago extracted from mature larva (to show hypodermal larval coloration); 5 – tergalius III.