1923] The Fulgorid.e of Eastern North America 163 



159. Laterial margins of the vertex nearly touching posteriorly, strongly ■wid- 



ened anteriorly ; anal segment of the male strongly produced and de- 

 flexed beyond the pygofer 588 0. prnductuft Metcalf 



Lateral margins of the vertex nearly parallel ; anal segment of the male 

 not strongly produced 589 0. fulvidorsum Ball 



160. Vertex strongly produced; lateral margins sinuate; median tooth of male 



pygofer obtuse apically 590 0. Jineatus Ball 



Vertex not strongly produced; lateral margins not sinuate; median tooth 

 of male pygofer acute apically 592 161 



161. Median tooth of male pygofer triangular, genital styles barely longer than 



the tooth; vertex rather broad anteriorly 301, 591 0. ohtusiis Ball 



Median tooth quadrate at the base, apical portion triangular acute, genital 

 styles longer than the tooth ; vertex narrower anteriorly 302, 592 



0. 'borealis Van Duzee 

 MYNDUS 



162. Frons twice banded with black 169 



Frons not twice banded with black 163 



163. Color uniform ochraceous orange, eyes darker Myndus fulviis Osborn 



Color not uniform ochraceous orange 164 



164. Head and thorax black; fore wings black with pale costal margin and dorsal 



saddle 20 M. slossoni Ball 



Head and thorax not black 165 



165. Frons marked with fuscous bauds or spots 166 



Frons immaculate or nearly so 167 



166. Frons with a pair of black spots between the carinae at the base, larger, 5 mm. 



M. radicis Osborn 

 Frons with a lunate fuscous mark at the apex ; smaller, 4 mm. 



M. lunatiis Van Duzee 



167. Costal border of fore wings broadly whitish M. enotatus Van Duzee 



Costal border of fore wings concolorous 168 



168. Vertex narrow, elongate; color greenish 309 M. viridis Ball 



Vertex broad; color dull pale tawny 310 M. pusiUus Van Duzee 



169. Fore wings vittate with brown apically; genital styles of the male broad- 



ened apically 599 M. pictifrons Stal 



Fore wings not vittate with brown apically; genital styles of the male not 

 broadened apically 600 170 



170. Genital styles obliquely truncate apically, the inner angles strongly produced 



600 M. truncatus Metcalf 



Genital styles reflexed apically, the inner angle not produced 601 171 



171. Sides of the vertex converging to the apex; veins of the fore wings brown, 



not concolorous 313 M. sordidipennis Stal 



Sides of the vertex parallel in front of the eyes; veins of the fore wings 

 paler 314 ' M. delicatus Van Duzee 



