CLADOENDESIS OF EPHEMEROPTERA |
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Siphlonisca
(Panephemeroptera
Euephemeroptera
Euplectoptera
Anteritorna
pm.Tridentiseta
Siphlonurus/fg1
Parameletus/fg1
- Siphlonisca)
Nomen hierarchicum: Siphlonisca/g(1) [g:1909]
In circumscription fits:
— gen. Siphlonisca Needham 1909: 72
— Siphlonisca/g(1): Kluge 2004: 79
References. Needham & Traver & Hsu 1935: ; – Edmunds & Jensen & Berner 1976: ; – Burian & Gibbs 1988: ; – Kluge 2004: .
Autapomorphies of Siphlonisca. (1) Maxilla lacks apical-ventral row of setae (unlike all other Siphlonurus/fg1). Non-unique apomorphy (see Index of characters [1.1.31]). (2) In imago and subimago of both sexes abdominal segments V–IX have large lateral lobes; non-unique apomorphy, similar lobes in selected species of Oniscigaster/fg2 and some others. Plesiomorphies of Siphlonisca. Unlike Parameletus/fg2: On hind wing MP with bifurcation proximad of wing middle. 2nd segment of labial palp has no projection. |
Size. Fore wing length 15–17 mm.
Distribution. Eastern Nearctic.
Nominal species in Siphlonisca/g(1): 1 species
aerodromia Needham 1909 [Siphlonisca] — typus nominis Siphlonisca --/
See also:
Siphlonurus/fg1 incertae sedis
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