| OCR Text |
Show 108 BAETIDAE Family Baetinae Subfamily This five and family Baetis genera: Leach, Eaton, Cloeon Leach, and Klapalek, the is subfamily represented in Idaho by Callibaetis Eaton, Centroptilum Dactylobaetis Traver, of nymphs and Pseudocloeon uncertain genus an herein are described. The this tinguish Idaho: (2) forewings (Figs. 31-37); (1) Nymphs. (3) and and usually absent head and of turbinate segments the or with on eyes of and the antennae head abdominal more absent 38). oval seven not depressed antero lateral, segments eight three than or (Fig. 41); (3) postero weakly developed (Fig. antennae their (Fig. to one absent; or from wings present male 30); times and and the nine (4) width the of (Fig. 30). Genus The Baetis Leach following combinations of dis filaments rudimentary detached MP2 and hind eyes front the on projections of filament to serve occurring in caudal developed abdominal on lateral length MA2 families (Fig. 30); (2) body cylindrical, dorso-ventrally, or terminal characters of other all well basally, Gills semi-oval lateral, Two with veins stems respective or (1) median the from family Adults. present, combinations following 1815 characters serve to the |
