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Show 113 with so minimum of a that they vertical motion and to appear be little forward progress hovering. Distribution Baetis alexanderi is a species previously unreported specimens the from five following are counties boreal western North American from Idaho. and seven I have localities examined which of representative. CUSTER Co.: Salmon Riv. at jct. U.S. Hwy. #93, Records.5 mi. E. Stanley, 25-VII-64, (A), SLJ, PSL, and FDI, (UU/ CANYON Co.: Snake Rlv. at jct. with U.S. Hwy. UI); (+ 2). #20-26, 8 mi. NW. Parma, 29-VIII-58, (A), GFE and RKA. ADA Boise Riv., at Boise, 5-VIII-63, (N), SLJ, (UU/UI). Co.: ELMORE Co.: Glenns Ferry, 12-VII-64, (A), W. L. and J. G. BUTTE Co.: Peters, (UU/UI). Big Lost Riv. at jct. HWy. #93, 7 mi. N. Arco, 26-VII-64, (A), SLJ, PSL, bicaudatus Baetis alt. U.S. FDI. and Dodds (Figures 38-40, 50) Baetis bicaudatus Dodds, 1923:110; Edmunds and Allen, 320 (= minimus Dodds, 1923). (1923) Dodds of the adults Taxonomy and Biology This Dodds but turbinate species the and of appears the species from a female (1952b) provides descrip nymphs. males may be portion this Edmunds in Colorado. imago reared tions described 1957: closely related distinguished compound eyes. to B. in the The intermedius shape of hind wings the of |
