Figure 19 from: Molineri C, Salles FF, Peters JG (2015) Phylogeny and biogeography of Asthenopodinae with a revision of Asthenopus, reinstatement of Asthenopodes, and the description of the new genera Hubbardipes and Priasthenopus (Ephemeroptera, Polymitarcyidae). ZooKeys 478: 45-128. https://doi.org/10.3897/zookeys.478.8057

Figure 19 - Povilla spp, SEM and light microscope photographs. Povilla adusta: A male forewing B male hind wing C detail of keel on female abdominal sternum 8 (b = base, k = keel, s = socket) D male genitalia (mp = median remnant of styliger plate) E–F female abdominal sternum 8 (general view) G male genitalia (median remnant of styliger plate partially broken and detached from right pedestal) H–I eggs and detail of chorion (LD = large disks). Povilla cf. heardi: F female abdominal sternum VIII J filaments surrounding the eggs inside female abdomen K eggs. Scale bar = 100 µ, except Figure 1 (10 µ).