1923] The Fulgorid^ of Eastern North America 157 



82. Xasal process produced, concave ventrally, nearly unicolorous 222 



B. rugosa Metcalf 

 Xasal process not produced, not concave ventrally 223 B. decorata Metcalf 



83. Xasal process slightly protuberent, not concave ventrally, an evident stripe 



on each side of the apex of the vertex across the eyes to the apex of 



the abdomen 30 224 B. bicolor Metcalf 



Xasal process not at all protuberent, unicolorous 225 B. jocosa Stal. 



APHELONEMA 



84. Vertex short, transverse 228 85 



Vertex more elongate, nearly as long as pronotum, six-sided 236 88 



85. General color pale ochraceous yellow or blackish fuscous 86 



General color bright red 2 Aphelonema rosa Metcalf 



86. Frons elongate, clypeus black 229. A. oiscura Van Duzee 



Frons transverse, clypeus not black 231 87 



87. General color of the body pale ochraceous buff A. simplex Uhler 



General color of the body darker A. decorata Van Duzee 



88. Frons almost parallel-sided ; intermediate carinae not strongly arched 233 



A. bivittata Ball 

 Frons nearly circular; intermediate earinse strongly arched 235 89 



89. Fore wings rugose 58 A. rugosa Ball 



Fore wings not rugose 59 A. histrianica Stal 



90. Fore wings reticulate, venation not evident 60 91 



Fore wings with the longitudinal veins evident 65 92 



91. Vertex triangularly produced anteriorly 60. . .Misodema reticulata Melichar 

 Vertex obtusely produced anteriorly; body hairy 61 



Dictyonissus griphus Uhler 



92. General surface of the wings rugulose; vertex broadly emarginate anteriorly 



62 Traxus fulvus Metcalf 



General surface of the wings not much roughened; vertex not broadly 

 emarginate anteriorly 64 93 



93. Cubitus and medius branching 514 94 



Cubitus of the fore wing unbranched 515 96 



94. Hind tibia with two spines 533 Issus servillei Spinola 



Hind tibia with four or five spines 534 95 



95. Vertex transverse, rounded anteriorly, wings broadly expanded at the base, 



form oval 64 Picumna ovatipennis Walker 



Vertex elongate, triangularly produced anteriorly, fore wings not expanded 

 at the base, form elongate 65 Issomorphus maculatus Melichar 



96. Fore wings short, not twice as long as broad; hind wings small 66 



Genus Eysteropterum Amyot & Serville 97 

 Fore wings longer, twice as long as broad ; hind wings broad with a dis- 

 tinct incision between first and second anal vein 67 



Genus IMonia Stal 98 



