PHYLOGENY OF EPHEMEROPTERA (BY N.J.KLUGE)
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Figs 49–55. Ephemerythus pictus. 49 – apex of maxilla (dorsal view, dentisetae dotted; most part of setae of apical tuft not shown, area occupied by them shown by dotted line, their bases on ventral side shown by interrupted lines). 50 – hind margin of abdominal sternum IX of last instar male larva, dorsal view (developing subimaginal genitals shown by interrupted lines); 51 – penis of male imago (ventral view, gonoducts shown by dotted lines); 52–55 – first segments of subimaginal gonostyli, dorsal view: 52–53 – reared specimen from Amani (the same as in Fig. 61); 54–55 – reared specimen from Matema (the same as in Figs 56–60, 68–69, 72–75). Abbreviations: ds1 – distal dentiseta; ds2 – proximal dentiseta; i-d – setae of inner-dorsal row.