| OCR Text |
Show 123 the lamellae surface single and with recurved a (Figs. 30, 44); (2) pinnate flap tracheal the on gills approximately evenly distributed (Fig. 44); ing hind wing pads present; and ventral of branches (3) develop (4) maxillary palpi two- segmented. Of genus, twenty-three species presently assigned four species, £. coloradensis Traver, Q. montanus Eaton, Idaho. and The known following keys nymphs of these and Banks, Q. £. nigritus to serve this to doddsi Banks distinguish occur the in adults species.l Adults 1 Male imagos Female 2(1) imagos Forewings vein 3(2) ••••••••••••••••••••••.•••.•••••••• 2 5 20-35 Rl (Fig. 34) ••••••••••••••••••••.•••••••••• 3 Forewings vein ••••••••••••••••••••••••••••••••••••• Rl with with 50-65 crossveins behind crossveins behind •.••••••••.••••••••.•••••••••••••.••••••• 4 abdominal tergum with distinct lateral brown stripe; basal costal cross veins of forewings well developed; Each mrginal intercalaries of forewings single in each interspace; abdominal sterna pale, usually uniformly stippled with light brown spots Q. •••••••••••••••• montanus Abdominal terga without lateral rown stripe; basal costal crossveins of fore- wings weakly developed; marginal intercalaries of forewings obsolescent; lThe female imagos and nymphs of C. doddsi are unknown. |