CLADOENDESIS OF EPHEMEROPTERA
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Figs 427–438. Thraulodes niger. 427–428 – head and thorax of male imago in lateral and dorsal view; 429 – abdominal terga and sterna of male imago; 430 – the same of male subimago; 431 – subimaginal mesonotum; 432–433 – genitalia of male imago with focus on styliger and on penis; 434 – female imago; 435 – its left fore wing; 436–437 – its fore and middle legs; 438 – subimaginal exuviae of fore wing (427–429, 432–433, 438 – holotype).