CLADOENDESIS OF EPHEMEROPTERA
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Figure 17. Baetisca/f4=g3.

A–F – Imago and subimago of rogersi [Baetisca]: A – base of fore wing; B–C – fore and hind wings of imago; D –subimaginal exuviae of right half of mesonotum; E – imaginal pterothorax, ventral view (nerve synganglion shown by interrupted line); F – imaginal pterothorax, lateral view. G–H – Larva of carolina [Baetisca]: G – apex of left maxilla, dorsal view; H – the same, medial view (dentisetae shown by dots, setae of medio-ventral row shown by black).

Abbreviations: AES – anepisternum; FSp – furcasternal protuberance; KES – katepisternum; MNs – mesonotal suture.