CLADOENDESIS OF EPHEMEROPTERA

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Kluge 2004: Fig.85

Figure 85. Caenoptera-Caenis/f3=g1-Madecocercus/g* tauroides [Madecocercus], larva.

A ventral side and lateral margin of gill operculum (tergalius II); B abdominal sternum IX of immature male larva, ventral view (buds of subimaginal gonostyli and penis shown by interrupted lines); C tergalius III; D tergalius IV (tracheae chown by dotted lines).