NO. 2041. THE INSECT FAMILY DELPHACIDAE— CRAWFORD. 607 



d^. Genital styles of male simple, acute to subacute at tip. 



c'. General color brown to dark brown or black. 



p. Legs more or lees distinctly lineated with brown or black. 



gK Genital styles of male long, extending nearly to anal tube; color of 



male black. 



h^. Carinse of head and dorsum broadly white, and quite prominent 



in spots; styles rather slender, straight gillettei Van Duzee. 



h^. Carinas of head and dorsum less conspicuously white; styles very 



long, large, pubescent; female brown lineatipes Van Duzee. 



g'K Genital styles of male very short, tip remote from anal tube; abdomen 



black, thorax lighter with carinse white; lineation of legs brown. 



, ., , mccn^'asiler, new species. 



j\ Legs not Imeated with brown or black. 



g^. Genital styles widely divergent; notum without median white vitta. 

 A'. Margin of pygofer aperture regular. 

 i^. Aperture large, broad; styles almost horizontal, sinuate, and flexed 



9't tip pellucidus Fabricius. 



P. Aperture rather small, circular; styles smaller, more slender, 



straight, not horizontal consimilis Van Duzee. 



li^. Margin of pygofer aperture irregular, with a white, rounded pro- 

 tuberance on each side of base of styles; styles slender, flexed 



out at tip albidens, new species. 



g^. Genital styles scarcely divergent, tips close together; notum with a 

 broad white vitta between lateral carina?. 



approximatus, new species, and sagatus Fowler. 

 e^. General color light brown to yellow. 

 p. Frons conspicuously narrowed between eyes, sides nearly straight below. 

 g^. Frons black with carinse white; genital styles rather broad, narrowed 

 suddenly at tip; anal tube with two ventral processes. 



foveatus, Van Duzee. 

 g'^. Frontal carinje pale, margined broadly with brown or black; styles 



slender; anal tube without processes constrictus, new species. 



/2. Frons only slightly narrowed between eyes, sides not straight below. 

 g\ Styles long, sinuate, very horizontal; aperture of pygofers broad. 



pellucidus Fabricius (light form). 



g^. Styles arched, divergent in basal half, then convergent, apex flexed 



and subparallel; color whitish; frons yellow, slightly darker inside 



of lateral carinae osborni Van Duzee. 



d^. Genital styles not acute at tip, but broadened or bifurcate. 

 eK General color whitish or light yellow; frontal carinse margined with black 

 or brown; vertex rather long; pronotum unusually long; styles stout, 



broadened and truncate at apex circumdnctus Van Duzee. 



e'. General color brown to black, not whitish. 

 fK Antennae short, not reaching to clypeus; genital styles broadened and 



square at apex; color brown vanduzed, new species. 



/2. Antennae longer, reaching at least to clypeus. 



g\ Male pygofer deeply notched above and produced caudad more or 

 less slenderly around anal tube. 

 h\ Antennae a little longer than to clypeus. 

 iK Caudal prolongation of pygofers often more or less bifurcate at tip; 



styles stout, rounded or square at tip terminalis Van Duzee. 



i^. Caudal prolongation less slender, rounded apically; styles very 

 broad, fiat, rounded or angulate on apical margin, inner margins 

 arcuate, not far separated; with a light dorsal vitta on notum 

 between carinte lammalis Van Duzee. 



