Soyedina vallicularia

Soyedina vallicularia (Wu, 1923) Valley Forestfly http://lsid.speciesfile.org/urn:lsid: Plecoptera.speciesfile.org:TaxonName:608 4 (Figs. 17–24, 79) Nemoura vallicularia Wu 1923:58. Holotype ♂ (CUIC), Ithaca, (Tompkins Co.), New York, USA Nemoura vallicularia Needham & Claassen, 1925:215 Nemoura (Soyedina) vallicularia Ricker, 1952:53 Soyedina vallicularia Illies, 1966:248 Soyedina vallicularia Zwick, 1973:357 Nemoura (Soyedina) vallicularia Hitchcock, 1974:110 Soyedina vallicularia Baumann, 1975:67 Soyedina vallicularia Stewart & Stark, 1988:188 Soyedina vallicularia Stewart & Stark, 2002:215 Soyedina vallicularia Grubbs, 2006:40 Soyedina vallicularia Stark, 2017:215 Distribution. Canada: NS, ON, PQ. USA: CT, IA, IL, IN, KY, MA, MD, ME, MI, NY, OH, PA, TN, VA, WI, WV (DeWalt et al. 2019), NC (Needham & Claassen 1925, p. 215). Material examined. Canada, Ontario, Grey Co., spring, Inglis Falls, Owen Sound, 4 May 1986, B.J. Sinclair & S.A. Marshall, 1 male, 1 female (BYU); Hastings Co., Hungerford Township, 9 March 2011, E. Fuller, 1 male, 18 females (BYU); Wentworth Co., spring, Webster Falls, Dundas, 12 April 1986, B.J. Sinclair (BYU). Quebec, tributary, Jean Larose River, Mont Saint Anne Park, 9 June 1997, R.W. Baumann, C.R. Nelson & B.C. Kondratieff, 1 male (BYU). USA, Illinois, Vermilion Co., seep, Forest Glen Preserve, 5 mi. S Westville, 15 April 1996, R.W. Baumann, B.C. Kondratieff & B.O. Huntsman, 2 males, 7 females (BYU). Indiana, Parke Co., spring seep, Turkey Run State Park, 23 March 1975, R.W. Baumann & O.S. Flint, 11 males, 11 females (BYU). Kentucky, Adair Co., tributary to Sulphur Creek, 10 km NE Columbia, 37.13460, -85.19460, 10 March 2001, S.A. Grubbs, 4 males, 7 females (WKUC); Spout Spring, 24 km SE Campbellsville, 37.20200, -85.14800, S.A. Grubbs, 7 males, 10 females (WKUC); Allen Co., tributary to Garrett Creek, 13 km SSW Scottsville, 36.64335, -86.245293, 3 March 2001, S.A. Grubbs, 5 males, 3 females (WKUC); McCreary Co., seeps, near Cumberland Falls, Hwy 90, Cumberland Falls State Park, 1 March 1991, R.W. Baumann & S.M. Clark, 1 male (BYU); Powell Co., small creek, N side Nada Tunnel, 27 February 1988, P.H. Freytag, 4 males, 3 females (BYU). Maryland, Allegany Co., tributary to Fifteenmile Creek, Green Ridge State Forest, 39.63712, -78.38207, 17 March 1996, S.A. Grubbs, 4 males, 1 female, 6 larvae (WKUC); spring into Fifteenmile Creek, Green Ridge State Forest, 39.65262, -78.44226, 23 March 1996, S.A. Grubbs, 2 males, 4 females (WKUC); tributary to Trading Run, Warrior Mountain Wildlife Management Area, 39.59508, -78.61599, 7 March 1997, S.A. Grubbs, 4 males, 2 females, 3 larvae (WKUC). Massachusetts, Berkshire Co., brook, 1 mi. N Hwy 20, October Mountain State Forest, 27 April 1991, R.W. Baumann & M.F. Whiting, 1 male, 1 female (BYU); Franklin Co., Sunderland Reservoir, Sunderland, 9 May 1964, C.H. Nelson, 1 male, 3 females (BYU); Sunderland Reservoir, 16 April 1966, C.H. Nelson, F.R. Holbrook, 1 male (CHNC); Worcester Co., Shaw Brook, Leicester, 22 April 1969, L.M. Potter, 1 male, 3 females (BYU). New York, Clinton Co., spring, Recore Road, West Chazy, April 19–26 2010, L. Myers, 1 male (BYU); Cortland Co., Kenney Brook, N Truxton, 6 May 1991, R.W. Baumann & S.A. Wells, 9 males, 14 females (BYU); Hamilton Co., Alder Brook, Hwy 8, E Hoffmeister, Adirondack Park, 4 June 1997, R.W. Baumann & B.C. Kondratieff, 1 male (BYU). Ohio, Ashland Co., seep, Hog Hollow Creek, Mohican State Park, 13 March 1990, R.W. Baumann & R.F. Kirchner, 2 males, 2 females, 15 larvae (BYU). Pennsylvania, Beaver Co., stream below Hwy 18, below Frankfort Mineral Springs, 20 March 1975, R.W. Baumann & O.S. Flint, 1 male (BYU); spring entering Traverse Creek, Raccoon State Park, 20 March 1975, R.W. Baumann & O.S. Flint, 14 males, 27 females, 15 larvae (BYU); Blair Co., stream, Brush Mountain, 1 mi, S Tyrone, 14 March 1987, S. Bonta, 1 male, 3 females (BYU); Erie Co., Conneaut Creek, 13 April 1980, B. Travis, 1 male, 1 female (BYU); Venango Co., spring, Drake Well State Park, 21 April 1979, R.W. Baumann, E.C. Masteller, 1 male, 2 females (BYU); Warren Co., Hemlock Creek, 5 mi. E Warren, 21 April 1979, R.W. Baumann, O.S. Flint, 4 males, 4 females (BYU); concrete wall, Kinzua Dam, 22 April 1979, R.W. Baumann, O.S. Flint, 9 males, 10 females (BYU). Tennessee, Cannon Co., spring, East Fork Stones River, 35.84445, -85.95935, 14 March 2010, A. Harrison, 1 male, 3 females (BPSC). Virginia, Buchanan Co., tributary, Hunts Creek, Hwy 80, Buchanan-Dickensen county line, 28 February 1991, R.W. Baumann & S.M. Clark, 5 males, 2 females (BYU); Giles Co., tributary Little Stoney Creek, Cascades Campground, Jefferson National Forest, 8 March 1991, R.W. Baumann & R.F. Kirchner, 11 males, 5 females (BYU); Scott Co., Little Stoney Creek, Little Stoney Creek Trailhead, 28 February 1991, R.W. Baumann & S.M. Clark, 1 male (BYU); Wythe Co., East Fork, Stone Fork Reed Creek, CR 717, Jefferson National Forest, 37.00902, -81.16309, 24 February 1976, R.F. Kirchner, 2 males (WKUC); same but 11 March 1991, R.W. Baumann & R.F. Kirchner, 9 males, 7 females (BYU). West Virginia, Logan Co., Copperas Mine Fork, Frogtown Hollow, 37.83080, -82.06520, 15 February 1975, R.F. Kirchner, 3 males, 1 female (BPSC). New province and state records. Canada, Labrador, spring above Churchill River, Churchill Falls, 13 June 1997, R.W. Baumann, B.C. Kondratieff & C.R. Nelson, 2 males, 10 females (BYU); stream entering Elephant Head Lake, SW Wabush, 11 June 1997, R.W. Baumann, B.C. Kondratieff & C.R. Nelson, 29 males, 24 females (BYU). USA, New Hampshire, Grafton Co., Lebanon, 22 April 1973, P. Gray, 1 male, 1 female (BYU). Remarks. Adults were described and illustrated in Wu (1923) and redescribed in Grubbs (2006). In the latter (his figs. 1–27), the epiproct and outer paraproct lobe of nine populations from seven states were illustrated with SEM and depicted little morphological variability with either structure. The SEM images shown herein from Pennsylvania (Fig. 23) and Kentucky (Fig. 24) likewise depicts little variability. The outer paraproct lobe was also illustrated in Needham & Claassen (1925; their plate 38, fig. 3) and Hitchcock (1974, his fig. 137). The combination of the asymmetric dorsal (Figs. 17–19, 22) and ventral sclerites (Figs. 17–18), plus the inner epiproct member that is flanged and directed laterally, with the flange lip enlarged apically (Figs. 18–21), aligns this species closely with S. alexandria and S. calcarea. The larva of S. vallicularia remains the only eastern species where the immature stage has been described in full (see Stewart & Stark 2002 and all references therein). Soyedina vallicularia is the most widespread among the eastern Nearctic species, including Atlantic Canada, Appalachian Mountains, Great Lakes region, and Ohio River and upper Mississippi River basins (Fig. 79).

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