Taeniopterygidae, Klapalek, 1905

Verdone, Chris J., Williams, Bronwyn W., Beaty, Steven R., Holland, Victor B., Grubbs, Scott A. & Dewalt, Edward, 2025, The adults, larvae, and systematics of the Nearctic Oemopteryx Klapálek, 1902 (Plecoptera: Taeniopterygidae), Zootaxa 5595 (1), pp. 1-94 : 12

publication ID	https://doi.org/10.11646/zootaxa.5595.1.1
publication LSID	lsid:zoobank.org:pub:91BE83A5-8130-4E73-AFDB-6AE50395C8AE
persistent identifier	https://treatment.plazi.org/id/6678EB18-FFDE-FFD0-FF52-7C73A0C1F9A6
treatment provided by	Plazi
scientific name	Taeniopterygidae
status

Treatment

Taeniopterygidae View in CoL genera larval key

1 Single telescopic segmented gill present on each coxa (CG in Fig. 1D View FIGURE 1 )........................ Taeniopteryx Pictet, 1841 View in CoL

1’ Coxal gills absent..................................................................................... 2

2 Cercus with internodal setal fringe ( Fig. 3F View FIGURE 3 ), or only a single or several setae on internodal surface ( Fig. 2F View FIGURE 2 )............. 3

2’ Cercus without internodal setae ( Figs 5F View FIGURE 5 , 11B View FIGURE 11 , 18B View FIGURE 18 , 24B View FIGURE 24 , 48B View FIGURE 48 ), if setae present, inserted apically only ( Figs 5F View FIGURE 5 , 31B View FIGURE 31 , 37B View FIGURE 37 , 43 B View FIGURE 43 )................................................................................................. 4

3 Cercus with well-developed internodal setal fringe that extends to last 4–5 apical segments ( Fig. 3F View FIGURE 3 ); antenna (excluding scape, pedicel and first flagellum) with a single or several internodal setae ( Fig. 3G View FIGURE 3 ).................................................................................................. Doddsia occidentalis Needham & Claassen, 1925 View in CoL

3’ Cercus with a single or several internodal setae on basal and middle flagella ( Fig. 2F View FIGURE 2 ); basal antennal segments (excluding scape, pedicel and first flagellum) with setae inserted apically only ( Fig. 2G View FIGURE 2 )........ Bolotoperla rossi Ricker & Ross, 1975 View in CoL

4 Basal antennal segments (excluding scape, pedicel and first flagellum) ( Figs 31B View FIGURE 31 , 37B View FIGURE 37 , 43B View FIGURE 43 ) and basal cercal segments with apically inserted setae ( Figs 31C View FIGURE 31 , 37C View FIGURE 37 , 43C View FIGURE 43 ), or both absent ( Figs 5F, 5H View FIGURE 5 , 11B–C View FIGURE 11 , 18B–C View FIGURE 18 , 24B–C View FIGURE 24 , 48B–C View FIGURE 48 ); lateral margins of 9th sternal plate usually convex at apical 1/3 ( AS 9 in Figs 5I–J View FIGURE 5 , 11F–G View FIGURE 11 , 18F–G View FIGURE 18 , 24F–G View FIGURE 24 , 43F–G View FIGURE 43 , 48F–G View FIGURE 48 , 31G–H View FIGURE 31 , 37G–H View FIGURE 37 ); without an inner tibial fringe on pro- and meso-thoracic legs................................................... 5

4’ Basal antennal segments without a fringe of apically inserted setae ( Fig. 4H View FIGURE 4 ); basal cercal segments usually with apically inserted setae ( Fig. 4F View FIGURE 4 ); lateral margins of 9 th sternal plate usually concave at apical 1/3 ( AS 9 in Figs 4I–J View FIGURE 4 ); with ( Fig. 4G View FIGURE 4 ) or without an inner tibial fringe on pro- and meso-thoracic legs.............................. Strophopteryx Frison, 1929 View in CoL [NOTE: For couplet-5, the left mandible needs to be slide mounted ventral side up. Left and right are determined by viewing the specimen dorsally, with the head pointing away from the observer.]

5 Ventro-apical patch of setae on left mandible extending proximally to, or past, base of the basal tooth of outer cusp (VSP in Figs 12D View FIGURE 12 , 19D View FIGURE 19 , 25D View FIGURE 25 , 32D View FIGURE 32 , 38D View FIGURE 38 , 44D View FIGURE 44 , 49D View FIGURE 49 )................................................ Oemopteryx Klapálek, 1902 View in CoL

5’ Ventro-apical patch of setae on left mandible not extending proximally to base of the basal tooth of outer cusp (VSP in Fig. 5G View FIGURE 5 ), or patch absent.................................................................... Taenionema Banks, 1905 View in CoL