CLADOENDESIS OF EPHEMEROPTERA
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Plesiomorphon Hesperaphlebia

(Panephemeroptera Euephemeroptera Euplectoptera Anteritorna Bidentiseta Furcatergaliae  
Leptophlebia/fg1 Atalophleboadentata Atalophlebopectinata
Habrophlebia/fg1HabroleptoidesHabrophlebia/fg2 - pm.Hesperaphlebia)

Nomen hierarchicum: Hesperaphlebia/g(1) [g:1979]

In circumscription fits:

— subgen. Hesperaphlebia Peters 1979: 53

References. Peters 1979: .

Plesiomorphies of Hesperaphlebia (unlike Habrophlebia/fg3). Female imago lacks ovipositor. In male imago proximal (1st+2nd) segment of gonostylus without projection on inner margin.

Size. Fore wing length 4–5 mm.

Distribution. Eastern Nearctic.

Nominal species in Hesperaphlebia/g(1):

jocosa Banks 1914 [Habrophlebia] — syn.subj. vibrans [Habrophlebia]

pusilla Traver 1932 [Habrophlebia] — syn.subj. vibrans [Habrophlebia]

vibrans Needham 1908 [Habrophlebia] — typus nominis Hesperaphlebia

See also:

Leptophlebia/fg1 INCERTAE SEDIS