CLADOENDESIS OF EPHEMEROPTERA
Figure 7. Wings.
A – Scheme of wing base and venation of Ephemeroptera (compare with D); B – scheme of triad branching of veins; C–D – right fore and hind wings of Siphlonurus/fg4 aestivalis [Siphlurus]; E – scheme of wing base and venation of Neoptera (compare with A) (B and C – from Kluge 2000).
Abbreviations: cb – costal brace; pts – pterostigma.