INDEX. 305 



rubroscuta, Erythroneura . 251 



sanctus, Scaphoideus ' 125 



sanguinolenta, Aceratagallia 



sayi, Deltocephalus ^44 



scalaris, Scaphoideus 



Scaphoideus 124 



auronitens ' 125 



cinerosus j 3 j 



immistus ' ' ' | \ 129 



intricatus 128 



jucundus 126 



Key to species '. 124 



melanotus 130 



productus ' , ' 127 



sanctus 125 



scalaris 127 



scriptus, Platymetopius 136 



scutelleris, Erythroneura 253 



seminudus, Eutettix 181 



sexnotata, Cicadula 229 



signatifrons, Deltocephalus 146 



snowi, Idiocerus 64 



solidaginis, Phlepsius 206 



sonorus, Deltocephalus 160 



Spangbergiella 118 



mexicana 119 



vulnerata 119 



spatulatus, Chlorotettix 219 



spatulatus, Phlepsius 192 



Spiders, natural enemies 26 



straminea, Mesamia 188 



striatulus, Euscelis 174 



striolus, Euscelis 170 



strobi, Eutettix 182 



Style-oedagus connective 45 



Styles ' ' 45 



superbus, Phlepsius 



superbus, Xestocephalus Ill 



suturalis, Idiocerus >. . . 



suturalis, Macropsis 



sylvestris, Deltocephalus 



Systematic Position of Cicadellidae 



tenellus, Eutettix 



tessellatus, Xestocephalus 



Thamnotettix 209 



brittoni 



ciliatus 



clitellarius 



fitchii 



inornatus 



kennicotti 



Key to .species 



longulus 



melanogaster 



nigrifrons 



pallidulus... 



perspicillatus 



tricincta, Erythroneura 



trifasciata, Empoasca 



trifasciata, Hymetta 



trimaculata, Macropsis 



20 Sc-i. Bui. 3058 



