CLADOENDESIS OF EPHEMEROPTERA
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Figs 1–7. Procloeon (Oculogaster) barnardi. 1–6 – male larva ready to moult to subimago: 1–2 – larval cuticle detached from thorax and abdomen; 3 – fragment of abdomen (arrows show bases of bifurcate setae similar to Fig. 48); 4 – intact specimen (IV–IX, abdominal segments); 5 – extracted subimaginal thorax; 6 – extracted subimaginal abdomen; 7 – same, female.