Taenionema pallidum (Banks)

Stewart, Kenneth W., 2009, New Descriptions Of North American Taenionema Larvae (Plecoptera: Taeniopterygidae), Illiesia 5 (12), pp. 128-145 : 134

publication ID	https://doi.org/ 10.5281/zenodo.4759332
DOI	https://doi.org/10.5281/zenodo.4759348
persistent identifier	https://treatment.plazi.org/id/AA15BF28-FFDC-CE4E-FC17-2A2245ECFA89
treatment provided by	Felipe
scientific name	Taenionema pallidum (Banks)
status

Treatment

Taenionema pallidum (Banks) View in CoL

( Figs. 14 View Figs , 23, 31, 38, 54, 62, 74, 83, 96, 109)

Distribution. Widespread west of the 100 th Meridian (Alaska, Alberta, British Columbia, California, Colorado, Idaho, Montana, New Mexico, Nevada, Oregon, Utah, Washington, Wyoming, Yukon).

Material examined. Utah: Salt Lake Co., Mill Creek east of Salt Lake City , 11-IV-1966, R. W. Baumann, 3♂ larvae, 2♀ larvae; Mill Creek , 0.8 km above Porter Fork, 27-IV-1981, K.W. Stewart, B.P. Stark, W.D. Shepard, & D.D. Zeigler, 6♂, 3♀, 6♂ larvae, 20 ♀ larvae . Washington: Whatcom Co., North Fork of the Nooksak River , 18-IV- 1988, K.W. Stewart, 1♂ and 1♀ reared with exuvia. (I.D. confirmed by R. W. Baumann) .

Characters. Color, pigmentation ( Fig. 14 View Figs ), maxillae ( Fig. 31 View Figs ), body, leg ( Fig. 54 View Figs ), and cercal setation, and sexual dimorphism ( Figs. 62 View Figs , 74 View Figs , 83 View Figs ) generally typical of genus. Body length ♂ 7.5-8.5 mm, ♀ 8.5-9.5 mm. Antennal segments approximately 64. Cercal segments ♂ and ♀ 52. Male 9 th sternum ( Fig. 96 View Figs ) ovate, with posterolateral sides convex and rounded apex. Female 9 th sternum ( Fig. 109 View Figs ) ovate with posterolateral sides slightly convex and narrowly rounded apex.