190 



Cincinnati Society of Natural History. 



b Outer claval not strongly hooked at distal end; cross nervure 

 to claval suture indistinct or wanting. 

 c Outer claval sinuate approaching inner near its middle. 



d Light ochreous, 9 ultimate ventral segment truncate or 



slightly notched ochraceus Osb. 



dd Marked with fuscous, 9 ultimate ventral segment pro- 

 duced. productus n. sp. 



cc Outer claval nearly straight and parallel to inner, curved at tip. 

 d 9 ultimate ventral segment carinate toothed at middle, 



carina tus n. sp. 

 dd 9 ultimate ventral segment not carinate or toothed. 

 e Head and pronotum ivory white or yellowish, 



intricatus Uhl. 



ee Head and pronotum with darker areas luteous or fulvous, 



luteolus Van D. 



bb Outer claval strongly hooked at distal end usually with distinct 

 cross nervure from outer claval to claval suture. 

 c No distinct cross vein between claval veins; colors gray or 



brown marked with fuscous immistus Say 



cc Usually a distinct cross vein between the clavals. 



d Outer claval approximating claval suture posteriorly; face 



black melanotus n. sp. 



dd Outer claval remote from claval suture posteriorly. 



e Vertex obtusely angulate ; apex of elytra fuscous or black, 



obtusus n. sp. 



ee Vertex more produced, sub acute; elytra entirely gray, 



cinerosns n. sp. 



Scaphoideus fasciatus n. sp. (Plate X, Fig. 1). 



Elytral picture similar to that of sanctus and picturatus. 

 Face with two conspicuous transverse fuscous bands con- 

 tinued on sides. Length to tip of elytra, 9 and cT 4 mm. 



Vertex impressed, rounded in front, the margin obtuse, 

 length three fourths of width, space between eyes and eye on 

 pronotum equal; front at apex equaling base of clypeus ; 

 clypeus elongate, scarcely widened at tip; lorae distant from 

 margin of cheeks, oval, the border touching clypeus and 

 front, evenly but slightly convex. Pronotum very convex in 

 front, truncate behind, lateral margins very short. Elytra 

 with narrow appendix, the post-nodal cell widening rather 

 sharply behind. 



Color: Vertex white, two dark points near apex and two 

 lighter quadrate or transverse fuscous spots midway from 



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