CLADOENDESIS OF EPHEMEROPTERA
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Figure 82. Neoephemera/fg1-Leucorhoenanthus/g* maxima [Caenis], larva.

A – transverse section on level of abdominal segment III. B–E – tergalii I–III on the same scale: B–C – right and left tergalii I of one specimen, dorsal view; D – left tergalius II (gill operculum), ventral view; E – left tergalius III, ventral view. F – larval exuviae of right half of pronotum and mesonotum. G – right half of larval abdominal terga I-VII (tergalii II-VI removed); H – abdominal sternum IX of mature male larva, ventral view (internal subimaginal parts shown by interrupted lines). (F, G – from Kluge 1997b).

Abbreviations: terII – gill operculum (tergalius II); terIII – tergalius III.