| OCR Text |
Show 87 Siphlonurus Eaton. tinguish tion from genus in Idaho: occurring forked following combinations this the near (Fig. 5); acute Nymphs. (1) Abdominal segment, and with usually dorsal present Of this McDunnough, !. to are known distinguish with of gills obovate, of the and maxillae species, A. to the occur male each dis- wings costal tarsus lamellae along to Siphlonuridae the projec dissimilar. single ventral on each and (2) pectinate spines (Fig. 9). species presently assigned to connectus McDunnough, !. similor A. validus McDunnough, in Idaho. The imagos serve of hind the oregonensis McDunnough, !. A. sparsatus McDunnough, Dodds genera wings 10); of Vein MP claws North American seven characters sclerotized band a crown thirty genus, (2) marglns-{!ig. the on (1) and hind and of other all Adults. base 1885 Ame1etus Eaton Genus The cooki McDunnough, and . velox following keys serve and mature nymphs of these species.l INymphs genus appear to be extremely variable, to color pattern. Only with large nymphs can determinations be made with I have nymphs from fortyone localities I am certainty. unable to determine to species. The records of A. connectus, A. cooki, A. sparsatus, Each and A. ve Lox are based on nymphal collections alone. series has been carefully compared with original descriptions be nevertheless must considered but their specific identity of this p'e c La Ll.y with respect series of fully mature ea questionable. |
