| OCR Text |
Show 191 distinguished only by the minute male. that It will be time I is equally difficult inclined am synonym of the on it that have been (the record 1935 the believe is variable. specimens and . are kn0wn, as the position of However, without a more the examining present status. of this from late June reported by Knowlton Edmunds present species apparently single brooded, are in Utah, they may fall biology collected the At the of species without its the which from. Provo Canyon, doubtfully valid by in about futilis nymphs possible that and retained adults, penes this that penes known the distinguish. is reported of to it be is the· once as of should Little except the series adequate to . hageni spines types, probable of detail has April, to mid-July and Harmston been considered [1952bJ). Distribution Rhlthrogena futilis is boreal western North American a species previously unreported from Idaho. specimens Records. Creek, - from a I have examined single locality. Co.: TWIN FALLS Rock Cr. Can , , 11 mL S. Rock 30-VI-53, (A), WFB, (UI). Rhithrogena hageni Eaton (Figure Ill) Rhlthrogena hageni Eaton, 1885 (1883-88):253 (renamed H. brunnea Hagen, [secondary homonym]); Edmunds, = 196a.:viii ( = B •. doddsi McDunnough, 1926a). |
