CLADOENDESIS OF EPHEMEROPTERA
Figs 116–118. Cloeodes nigrohumeris. 116 – subimaginal gonostyli extracted from mature larva; 117 – exuviae of subimaginal genitals; 118 – genitals of male imago (gonovectes shown by interrupted line; at right half gonovectal and gonostylar muscles shown by interrupted lines; median styligeral muscle shown by interrupted lines, areas of anterior attachment of median paraproctal muscles shown by dotted lines) (117–118 – holotype). Abbreviations: 1, 2, 3 – segments of gonostylus; m.IX-X – areas of anterior attachment of median paraproctal muscles (i.e., muscles going from sternum IX to common base of paraprocts); usg – unistyliger.