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Show 268 A. -G. LATAH Co.: Potlatch Cr., 3 mi. N. (UI). ADAMS Co.: small ditch, 2 7-v-65, (N), ERL, (UI). Meadows on Ida. Hwy. #15, 21-IX-63, (N), SLJ. LEMHI Lewis, Bovill, mi. E. Co.: Upper North Fork Salmon Riv. nr. Gibbonsville, Salmon Natl. F(1)r., 1l/16-VII-64, (N), CRW, IRT, and JKA; Opal Cr. at jct. Panther Cr., 18 mi. W. Cobalt, Salmon Natl. For., 12/23-VII-64, (A), IRT and JKA, (RKA); Panther Cr., Salmon Natl. For., 22-VII-64, (A), CRW. Ephemerella (Ephemerella) inermis Eaton (Figures 152, 154-155, 164, 185, 189) inermis Ephemerella 1884 (1883-88):127; Eaton, Allen and Edmunds, 1965:267. (1884 Eaton series adults of [1883-88J) described this in Colorado, and Needham and collected Christenson (1927) and Edmunds (1965) provide descriptions and mature The are of inermis . and of As of of imagos the mature nymphs The certainty. in and can the male difficult keys, adults the of two the used in the most common species is western North America. and rivers at ot one The all nymphs occur elevations in a to dis with only determinations distinguish by characters This streams stated previously fully any degree to Allen . infrequens McDunnough extremely similar morphologically series from Utah. Bio10gy nymphs tinguish. easy nymphs a nymphs. and Taxonomy the described from species be large with made species are keys. mayflies wide within Idaho in variety and of inhabit |
