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Show 284 found rocks among merged vegetation. fifteen feet over and gravel The and adults the water in emerge late in by early morning they shed the viduals. They They swarm. have been often abundant are usually from evening as indi of and subimagos, subimaginal pellicle collected from to three concentrations large the swarm sub- on and mid-August to early October. Distribution Tricorythodes . minutus is an austral western North American subspecies previously unreported from Idaho. examined specimens of this subspecies subspecies with !. nine localities Records.- of BONNER m. fallax from which Co.: the twenty following Bridge and over intergrades counties are Priest and I have of this thirty representative. Riv., 5 mi. N. Creek 2 Co.: L. Williamson, (UI). N. Snake Riv. at Lewiston, 3D-VII-51, (N), NEZ PERCE Co.: Little Salmon Riv., 5 mi. W. New Meadows, ADAMS Co.: (nc). PAYETTE Co.: Payette Riv. at jct. Ida. 2l-IX-63, (A/N), SLJ. Hwy. #52, 9.8 mi. E. Payette, 22-IX-63, (N), SLJ; (+ 2). GEM Co.: Canal, 3 mi. W. Emmett, 22-IX-63 (N), SLJ; (+ 1). Boise Riv. at Caldwell, 22-IX-63, (N), SLJ; CANYON Co.: Boise Riv. at Boise, 3l-VIII-65, (A/N), ADA Co.: (+ 2). Moores Cr., 1 mi. NE. BOISE CO.: SLJ and JWJ; (+ 1). Priest mi. lD-VIII-63, (A7N), GFE. Robinson Lake, 28-v-61, (N), R. River, LATAH BUTTE Co.: Idaho City, 7-VIII-63, (N), SLJ, (UU/ur); (+ 1). Lost Riv. at jct. U.S. alt. Hwy. #93, 7 mi. N. Arco, 26-VII-64, (N), SLJ, PSL, and FDI. BINGHAM Co.: Snake Riv. OWYHEE Co.: at 7-VIII-63, (A/N), GFE; (+ 1). Big Blackfoot, Owyhee Riv., 1 mL N. Ida.-Nev. border, 30-VIII-65, (A/N), North Gooding LINCOLN Co.: SLJ and JWJ, (UU/UI); (+ 3). Canal at jct. U.S. Hwy. #93, 6 mi. N. Shoshone, 24-VII-64, JEROME Co.: Hazelton, (A), SLJ, PSL, and FDI; (+ 1). 6-IX-44, (N), GFE; (+ 4). MINIDOKA Co.: Snake Riv., .5 m. TWIN FALLS N. Burley, 23-VII-64, (A), SLJ,' PSL, and FDL Co.: Salmon Falls Cr., 10 mi. NW. Buhl, 8-IX-64, (A/N), . |
