NO. i;04l. THE INSECT FAMILY DELPHACIDAE— CRAWFORD. 589 



This species is distributed over the north and west of the United 

 States, and in the south another species occurs, quite distinct from 

 the northern form. 



STENOCRANUS ANGUSTUS, new species. 



Length of body, 3.1 mm.; width of vertex, 0.20; width of frons. 

 0.22; antenna, I, 0.05; II 0.22. General color brown or dark brown, 

 dorsum mth conspicuous white vitta; frons black between carinse; 

 femora striped black; elytra mostly dark brown except outer anteap- 

 ical and costal cell and small part of membrane light. 



Vertex about as long as in dorsalis, projecting about one-third its 

 length before eyes, about twice as long as broad; frons one-third as 

 broad as long, shghtly narrowed at ocelU. 



Thorax slender; prothorax not much broader than head; scutellum 

 long. Calcar slender. Elytra long and very slender. 



Male genitaUa somewhat similar to dorsalis; styles more slender 

 and delicate, very acute and slender distad. 



Described from one male, taken at BeHze, British Honduras, by 

 J. D. Johnson. Tliis species is similar in many respects to the north- 

 ern S. dorsalis. 



Type-specimen. — In collection of Pomona C/ollege. 



STENOCRANUS SACCHARIVORUS Westwood. 



Plate 46, figs. G, I; plate 49, fig. L. 



Delphax saccharivora Westwood '83 : 413. 



Stenoa-anus? saccharivorus Van Duzee '97:232; '07:43; '05:196.~Kirkaldy 

 '06:409. 



Length of body, female 3.8 mm.; male, 2.7; width of vertex, 0.18; 

 width of frons, 0.18; antennae I, 0.09; II, 0.24. General color yellow- 

 ish orange, head occasionally darker; antennae with black stripe lon- 

 gitudinally. Body very slender. 



Head moderately long, narrower than prothorax; vertex long, 

 slightly narrowed at apex, projecting at least two-fifths of its length 

 beyond eyes, median carina ahnost wanting, laterals high; frons 

 elongate, narrow above, diverging to apex, not strongly carinate. 

 Eyes moderately large, somewhat emarginate below ; antennae similar 

 to rostrifrons. 



Thorax long, narrow, somewhat compressed, not strongly carinate; 

 pronotum short, quite deeply emarginate behind; scutellum almost 

 four tunes as long as pronotum; calcar as in rostrifrons. Elytra long, 

 slender, attenuate at base, not maculate. 



Male genital segment moderately broad; anal tube without ven- 

 tral processes; anal style long, slender, concave beneath; pygofers 

 produced caudad somewhat below anal tube; genital styles stout, 

 simple, widespread, apex constricted shghtly, recurved, acute. 



