CLADOENDESIS OF EPHEMEROPTERA
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Fig. 63–67. Ghatula, posterior margin of sternum IX. 63–65 – Ghatula rufa: 63 – female subimago (holotype); 64 – last instar female larva (holotype); 65 – penultimate instar male larva; 66–67 – Ghatula quadrimaculata: 66 – last instar female larva; 67 – penultimate instar male larva. Abbreviations: pgs – protogonostylus of male larva; pp – protopenis of male larva.