CLADOENDESIS OF EPHEMEROPTERA
Figure 60. Radulapalpata-Raptoheptagenia/g* cruentata [Heptagenia], larva.
A – labium, apical view; B – apex of labial palp with vestiges of scraping setae, ventral view; C – labium, dorsal view (in left half) and ventral view (in right half) (muscles shown by interrupted lines); D – apex of maxillary palp with vestige of 3rd segment, ventral view; E – left maxilla, ventral view (muscles shown by interrupted lines); F – portion of larval femur, dorsal view. (From Kluge 1993a).