| OCR Text |
Show 162 filaments present, 62) median the terminal filament absent (Fig. • Burks genus Iron, The (1953) placed three Epeorus, (Eaton), of to serve nymphs of the subgenera occur which genera are (Traver), Ironodes following keys four and as subgenera in known to and species in Idaho: occur (Traver). Ironopsis distinguish the adults occurring the and mature thought or to in Ida.ho Keys to the Subgenera and Species Imagos 1 stigmatic crossveins anastomosed Fig. --- forewings strongly penes 98 but never costal as forewings may strongly anastomosed •••••.••••••••• crossveins of in grand1s Ironopsis, . of crossveins (Figs. 69-70) Basal of male sg. Stigmatic slanted 2(1) of (Fig 71); " be •••••••••••••• " •••• 2 forewings strongly developed; stigmatic crossveins usually distinctly slanted (Fig. 70); eyes of male separated at least the width of median ocellus; penes of male without median titil1ators (Fig. 97); subanal plate of female with shallow posteromedian emargination .•••••••••.••• Basal costal crossveins 'weakly, developed; of. stigmatic sg. ,Ironodes,l forewings crossveins usually not slanted (Fig. 69); eyes of male contiguous or nearly so; penes of 10nly have been (Ironodes) nymphs of collected in sp? in this unknown species of this subgenus Idaho and will be treated as E. an - thesis. 3 |
