CLADOENDESIS OF EPHEMEROPTERA

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Kluge 2004: Fig.23

Figure 23. Acanthametropus/fg* nikolskyi [Acanthametropus].

A tergalius VI (ventral lobe detached and spread); B apex of left maxilla, dorsal view; C labial palp; D head and prothorax of male imago, lateral view; E head and thorax of male imago, ventral view (nerve ganglions shown by interrupted lines); F subimaginal exuviae of right half of meson; G genitals of male imago, ventral view (gonoducts shown by dotted lines). (AC, E, F from Kluge & al. 1995; D from Kluge & al. 1986)

Abbreviations: c.mx maxillary canines; ds1, ds2 first and second dentisetae.