Paranemoura Needham & Claassen, 1925

Grubbs, Scott A. & Baumann, Richard W., 2023, The Nemourinae (Insecta, Nemouridae) of the eastern Nearctic, Zootaxa 5306 (1), pp. 1-53 : 15-17

IV. Genus Paranemoura Needham & Claassen, 1925

http://lsid.speciesfile.org/urn:lsid: Plecoptera .speciesfile.org:TaxonName:6125

Type species. Nemoura perfecta Walker, 1852

Range. Eastern Nearctic ( DeWalt et al. 2022)

Diagnosis. See Baumann (1975) for a comprehensive description of the genus and Baumann (1996) for a morphological-based treatment of the two species.

Species key to eastern Nearctic Paranemoura adult males and females

1 Males .............................................................................................. 2

- Females............................................................................................. 3

2 Posterolateral margin of epiproct ventral sclerite notched ( Figs. 43–44 )................................... P. claasseni

- Posterolateral margin of epiproct ventral sclerite smoothly rounded, lacking notch ( Figs. 49–50 )............... P. perfecta

3 Y-sclerite of sternum 8 closed along posterior margin by narrow sclerotized line ( Figs. 47–48 )................ P. claasseni

- Y-sclerite of sternum 8 open along posterior margin ( Figs. 53–54 )....................................... P. perfecta

Figures

FIGURES 43‒48. Paranemoura claasseni. 43, male abdominal terminalia, lateral view; 44, USA, Maine, Crystal Brook, epiproct, dorsolateral view; 45, male abdominal terminalia, dorsal view; 46, Canada, New Brunswick, Williams Brook, epiproct, dorsal view; 47, female abdominal terminalia, ventral view; 48, Canada, New Brunswick, Williams Brook, female abdominal terminalia, ventral view. c = cercus, ds = dorsal sclerite, ep = epihook, vs = ventral sclerite.

FIGURES 49‒54. Paranemoura perfecta. 49, male abdominal terminalia, lateral view; 50, Canada, Nova Scotia, Silvey Brook, epiproct, dorsolateral view; 51, male abdominal terminalia, lateral view; 52, Canada, Nova Scotia, Silvey Brook, epiproct, dorsal view; 53, female abdominal terminalia, ventral view; 54, USA, West Virginia, Glady Fork, female abdominal terminalia, ventral view. c = cercus, ds = dorsal sclerite, ep = epihook, vs = ventral sclerite.