CLADOENDESIS OF EPHEMEROPTERA
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Figure 59. Ecdyonurus/fg1-Atopopus/g* tarsalis [Atopopus].

A – larval head, pronotum, mesonotum, right fore and middle legs. B–C – genitals of male imago (in T.Soldan's collection) (gonoducts shown by dotted lines): B – dorsal view; C –ventral view.

Abbreviations: ld – latero-dorsal spine; o.s – outer sclerite; p.a – penial arm; tit – median titillator; v.s – ventral sclerite.