| OCR Text |
Show 184 with. simpliciodes do consider The it without the examining type specimens, I very doubtfully valid. as of biology this species is unknown. Distribution Heptagenia rodocki species known only from no specimens NEZ Record.- of this PERCE is the a boreal western North American type locality. I have examined species. Co.: Lewiston (In: 1935b:358). Traver, Heptagenia simpliciodes McDunnough (Figures 106, 109) Heptagenia simpliciodes McDunnough, McDunnough (1924a) series (1924a) of adults The described nymphs, this Alberta, species from Canada. although keyed by field associated 9.8 mi. E. The of have following description a McDunnough the (1935b) Traver diagnostically by Edmunds (1952b), formally described. River, in (1935b) provide descriptions and Traver imagos. described collected 1924a:120. was nymphs collected in Payette Co., male and never been drawn from Payette Payette. Mature Nymph (in alcohol).body 10-12; Length: Antennae pale caudal filaments 7-9 mm. General color brown. brown; head brown with pale submedian spots directly below antennae on anterior margin, and pale semi-circular spots on vertex between eyes. Thoracic notum brown, darker along lateral margins, with fine pale median stripe; prothorax with |