CLADOENDESIS OF EPHEMEROPTERA
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Figure 104. Tricorythodes/fg1 cubensis [Tricorythodes], pterothorax.

A – female imaginal pterothorax, dorsal view; B – female imaginal pterothorax, lateral view; C – male imaginal pterothorax, posterior view (line shows section in Fig.D); D – longitudinal section of hind part of male pterothorax (by line shown in Fig.C) (compare with Fig.87:C–D); E – male imaginal pterothorax, median section; F – male imaginal pterothorax, ventral view (nerve chain shown by interrupted line, muscle bases shown by checks); G – female imaginal pterothorax, median section; H – female imaginal pterothorax, ventral view (nerve chain shown by interrupted line, muscle bases shown by checks); I – subimaginal exuviae of right half of mesonotum.

Abbreviations: ANi – anteronotal transverse impression; ANp – anteronotal protuberance; ES(III) – episternum of metathorax; FSp – furcasternal protuberance; ISL-LPN – infrascutellar-lateropostnotal arm; KEM – katepimeron; LPN – lateropostnotum; LPNC – lateropostnotal crest; LPN:Ls – longitudinal suture of lateropostnotum; LPs – lateroparapsidal suture; MNs – vestige of mesonotal suture; MPs – medioparapsidal suture; MTm(II) – median tergal muscle of mesothorax; MTm(III) – the same of metathorax; MTN – metanotum; PSp – posterior scutal protuberance; SA.Sm – subalar-sternal muscle; S.ESm(II) – scuto-episternal muscle of mesothorax; S.ESm(III) – the same of metathorax; SL – scutellum; S.LPNm – scuto-lateropostnotal muscle; TIS – transverse interscutal suture.