| OCR Text |
Show adults the specimens; and Taxonomy This and in Idaho collected nymphs species lators of if speciesJ the the basis male of (Iron), the closely (1935b) Traver long been and Bartlett and to described . the reported by McDunnough (1941) that Cinygmula in his related twisted median titil and It has (1941:219), Bartlett is valid, penes. species of Epeorus shapes. these Biology (1938), Spieth (1938), some of unknown. are simpliciodes McDunnough. on provides descriptions the unusual assume may discussion of penes of Epeorus states: it is evident that the condition of the titillators is ••• that, depend normal, or relaxed, retracted, and further the shape and position of the titillators the amount of tilting of the penes when ••• on mounted That in balsam. condition exists this in Heptagenia has been (1952b:132): reported by Edmunds the latter species Heptagenia apparently with all Hepta unusual assume shape by extremely geniidae, may twisting and rearrangement of parts. .•• solitaria The genitalia McDunnough , It may also Moscow-Lewiston black failed be area light by. E. to this qtect simpliclodes were Although I of as noted extensive that (Lewiston being Stecker of the the collecting in the type locality) with University species although large of Idaho, series of . collected. am reluctant to synonymize this species has |
