CLADOENDESIS OF EPHEMEROPTERA

 zzz

Z 

Kluge 2004: Fig.11

Figure 11. Genitals of male imago of Ameletus/fg2 camtschaticus [Ameletus].

A Abdominal sternum IX with styliger, gonostyli and penis, ventral view (muscles of styliger and right half of penis are shown by interrupted lines). B Apex of abdomen, lateral view. C Apex of abdomen with genitals in excited condition, lateral view (left cercus removed). D the same, posterior view.

Abbreviations: 1, 2, 3, 4 segments of gonostylus; gp gonopore; gsty gonostylus; p penis; p.a penial arm; pc paracercus; sIX abdominal sternite IX; sg styliger.