CLADOENDESIS OF EPHEMEROPTERA
Figs 107–112. 107–109 – Cheleocloeon lancetofolium; 110–112 – Ch. truncifolium. 107, 111 – subimaginal exuviae of genitals; 108, 110 – imaginal genitals, ventral view (on the left half, gonovectal muscles shown by interrupted lines, gonovectis shown by interrupted line and stippled, gonoduct shown by stippled line, gonostylar muscle and external pigmentation not shown; on the right half, gonostylar and gonovectal muscles shown by interrupted lines, gonoduct not shown, external pigmentation shown by stippling; median styligeral muscle shown by interrupted lines, areas of anterior attachment of median paraproctal muscles shown by stippled lines; see Fig. 105); 109, 112 – hind wing.