PHYLOGENY OF EPHEMEROPTERA (BY N.J.KLUGE)
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Figs 30–34. Ephemerythus nigricolor sp.n., genitals of male imago. 30 – genitals with focus on styliger; 31 – genitals with focus on penis; 32 – first segment of gonostylus; 33, 34 – penis of two individuals (ventral view, denticles on dorsal side shown by interrupted lines, gonoducts shown by dotted lines) (30–33 – holotype).