1923] The Fulgorid^ of Eastern North America 155 



55. Cephalic process witli the lateral margins nearly straight lines sometihies 



converging apically 188 56 



Cephalic process suddenly narrowed in front of the eyes, the lateral mar- 

 gins nearly parallel to the apex 192 58 



56. Cephalic process slender; size small, less than 5 mm. 186 S. parvuJus Metcalf 

 Cephalic process stout 187 57 



57. Cephalic process sliort ; the margins of the frous somewhat expanded to- 



ward the apex of the cephalic process giving it an inflated appearance 



187 S. hesperius Uhler 



Cephalic process long, tapering anteriorly, not inflated 188 



S. grossus Uhler 



58. Costal vein mostly white, the costal cell white 53 59 



Costal vein alternately dark and pale, the costal cell not white 60 



59. Cephalic process shorter than clavus ; veins of the fore Avings nearly uni- 



form 190 S. angustatiis Uhler 



Cephalic process longer; veins of the fore wings distinctly alternate with 

 dark and light 192 S. perdix Uhler 



60. Color green S. viridis Ball 



Color not green 61 



61. Cephalic process short 194 62 



Cephalic process long 196 63 



62. Cephalic process stout, at least four times as long as the diameter of the 



eye 194 S. desiccatus Uhler 



Cephalic process slender, not more than twice as long as the diameter of 

 the eye 195 S. robustus Ball 



63. Cephalic process very slender, parallel sided 196 S. spurcus Uhler 



Cephalic process stouter, somewhat tapering 197 S. vanduzei Ball 



DICTYOPHARA 



64. Many of the cross veins of the fore wings meeting each other, thus form- 



ing a few regular transverse veins 509 Dictyophara dioxys Walker 



Gross veins many, irregularly placed, not forming transverse veins 

 510 65 



65. Vertex at least twice as long as its width between the eyes 199 66 



Vertex scarcely longer than its width between the eyes 205 : . 67 



66. Cephalic process slender, intermediate carinse of the frons nearly parallel, 



plates longer than the ovipositor 199 D. microrhina Walker 



Cephalic process stout, nearly parallel sided; intermediate carinas of the 

 frons not parallel ; ovipositors slightly longer than the plates 201 



D. recurva Metcalf 



67. Lateral carinae of the frons lined with black basally ; female plates short 



562 D. florens Stal 



Lateral carinse of the frons concolorous; female plates long 563 



D. 'lingula Van Duzee 



