606 PROCEEDINGS OF THE NATIONAL MUSEUM. 



dK Elytra short, mostly brown, hyaline on both margins; body rather small, 



brown axialis Van Duzee. 



(P. Elytra long, maculate only on part of membrane; body rather large, red- 

 dish apicimaculatus Fowler. 



'. Lateral carinse of pronotum curved outward behind eyes, not reaching hind mar- 

 gin; curving often indistinct. 

 6'. Carinse rather evanescent on head, indistinct or subobsolete on apex; vertex 

 often rather broad, rounded in front, only slightly produced before eyes, 

 c'. General color brown to yellowish. 

 d^. Vertex and frons very broad, weakly carinate, approaching Kormus; genital 

 styles relatively rather short, very stout, acute, 

 e'. Margin of pygofer aperture sinuate; ventral notch deep; styles bifurcate 



at apex kormuM, new species . 



e^. Margin of aperture with a large, broad, subacute protuberance on each 

 side near base of styles; styles very slightly bifurcate. 



magnifrons, new species. 

 rf2. Vertex and frons not unusually broad, sometimes weakly carinate. 

 eK Genital styles of male more or less acute at apex, simple. 

 /'. Frontal carinse pale; anal tube without processes; margin of pygofers 

 not sinuate. 

 gK Body rather large, over 2 mm.; frons black between carinas; genital 



styles lanceolate obscurellus Boheman. 



g'^. Body about half as large; frontal carinse brown margined; styles 



claw-like lutulentus Van Duzee. 



p. Frontal carinse concolorous with fovese; anal tube with one ventral 



process; margin of pygofers deeply sinuate analis, new species. 



€^. Genital styles of male not acute, broad at least apically; frontal carinas 

 concolorous. 

 /'. Scutellum brown or black outside of lateral carinas, pale between. 

 </'. Genital styles broad, spatulate, short, square at tip, roundly divergent 



above campcstris Van Duzee . 



.9^. Genital styles arched, conspicuously constricted midway, apex broad 

 and rounded; pronotum brown outside of lateral carinse. 



cayamensu, new species. 

 p. Dorsum entirely pale whitish ; styles slender basally, broadened at apex; 



carinse on head weak rotundatus, new species. 



c^. General color black or very dark brown over most of body surface. 

 d\ Macropterous elytra mostly black or brown; genital styles flat, spatulate, 



square at tip teapae Fowler. 



d\ Elytra hyaline or scarcely browned. 

 eK Genital styles broadened and square at apex; vertex and pronotum much 



lighter than scutellum and abdomen indistinctus new species. 



e^. Genital styles acute at tip, simple; vertex and pronotum not lighter. 

 /'. Frons more than half as long as broad, sides rounded, carinse pale; male 

 pygofers normal, margin pilose; styles rather short, lanceolate. 



occlusus Van Duzee. 

 p. Frons twice as long as broad, sides straight, somewhat constricted above, 

 carinse not pale; male pygofers very large, margin produced outward 

 on each side broadly; styles very long, acuminate, twisted. 



nigridorsum new species. 

 h^. Carinse distinct over apex of head; vertex usually rather narrow, sometimes 

 broader, 

 c'. Frons not unicolorous, carinas white or pale more or less broadly, brown or black 

 between. 



