CLADOENDESIS OF EPHEMEROPTERA
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Figure 55. Heptagenia/f8=g7, larvae.

A–B – chinensis [Heptagenia]: A – male larva; B – setae on outer side of femur. C – guranica [Heptagenia], the same. D–I – flava [Heptagenia]: D – glossae, dorsal view (in left half) and ventral view (in right half); E – labium, ventral view; F – hypopharynx and superlinguae, ventral view; G – middle part of left cercus, dorsal view; H – right maxilla, ventral view; I – distal segment of left labial palp, ventral view. (A–C – from Kluge 1987a; F, G, I – from Kluge 1988a; E, F, H – from Kluge 1997d).