CLADOENDESIS OF EPHEMEROPTERA
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Figs 9–13. Larvae of Ephemerythus niger: 9 – apex of maxilla (ventral view, dentisetae dotted, most part of setae of apical tuft not shown, area occupied by them shown by dotted line); 10 – maxilla of pen-penultimate instar with developing maxilla of penultimate instar (focus on inner-dorsal row); 11–13 – female larvae of last instar from Amani. Abbreviations: ds1 – distal dentiseta; ds2 – proximal dentiseta; i-d – setae of inner-dorsal row.