PHYLOGENY OF EPHEMEROPTERA (BY N.J.KLUGE)
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Figs 83–88. Ephemerythus gilliesi sp.n. 83 – apex of maxilla (dorsal view, dentisetae dotted; setae of apical tuft not shown, their bases on ventral side shown by interrupted lines); 84 – middle part of fore tibia, posterior view (setae on anterior side shown by interrupted lines); 85–88 – tergalii of abdominal segments II–V. Abbreviations: ds1 – distal dentiseta; ds2 – proximal dentiseta; i-d – setae of inner-dorsal row.