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Show 182 it is most known from Illinois Nymphs and rivers found that clinging they are filiformis to feet and this rocks over the on have in 6,000 of found the in occur feet. strands been silted warmer They but Edmunds wood, or Adults swarm is which Iowa. elevations They diabasia Burks . species commonly Pers. september. twenty of below to related closely of are streams usually (1952b) reports Potamogeton collected from June ten early evening from to to water. Distribution Heptagenia elegantula is a boreal species previously unreported from Idaho. specimens from five counties and six North American I have examined localities. Trestle Cr., 2 mi. W. Hope, 25-VIIIBONNER Co.: 10 mi. E. Lewiston at jct. U.S. NEZ PERCE Co.: GFE. and Ida. Hwy. #410, 5-VIII-62, (N), GFE, (UI); Mission Cr. on U.S. Hwy. #95, 3 mi. W. Culdesac, 5-VIII-62, Bruneau Riv. at jct. Ida. Hwy. #51, OvrrHEE Co.: (N), GFE. LINCOLN 1 mi. S. Bruneau, 30-VIII-65, (N), SLJ and JWJ. North Gooding Canal at jct. U.S. HWy. #93, 6.5 mi. N. Go.: POWER Co.: Shoshone, 24-VII-64, (A), SLJ, PSL, and FDI. Bannock Cr., 10 mi. W. Pocatello on U.S. Hwy. #30N., 20-VI-64, (A), SLJ and JWR. Records.- 64, (N), Hwy. #95 - Heptagenia rodocki Traver (Figure 105) Heptagenia rodocki Traver, Traver (1935b) named 1935b:357. this species from a series of |
