OvurB ®W DN 
Wings of Habrophlebia vibrans 
Abdominal appendages of the male, viewed from above 
Abdominal appendages of the male of Ephemerella dorothea 
Thoracic crest of female subimago 
Abdominal appendages of male of Potomanthus diaphanus 
Side view of end of abdomen of female,, Choroterpes betteni, 
showing ovipositor is 
Side view of end of abdomen of male 
Ventral view of male abdominal appendages 
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