CLADOENDESIS OF EPHEMEROPTERA
Figs 23–25. Tricorythus tener
sp. n.: 23 – middle leg of larva, anterior view; 24 – genitals of male imago, ventral view;
25 – apex of ninths sternum and protopenis of mature male larva with developing subimaginal and imaginal genitals inside, dorsal view (hidden parts of subimaginal and imaginal cuticle shown by interrupted and dotted lines; gonads and gonoducts shown by dotted lines)
(23–24 – holotype).