N0.:i04l. THE INSECT FAMILY DELPHACIDAE—CRAWFORD. 619 



nate; elytra rather glossy, veins distinctly setose, typical in venation. 

 Legs moderately long, slender; hind tibisB longer than femora; calcar 

 long, acute at tip, margin finely dentate. 



Male pygofers rather long, aperture subcircular or elliptical, not 

 sinuate; styles short, flat, spatulate, apical half arcuate, broadened 

 and square at tip; anal tube subdorsal, not projecting above dorsal 

 notch of pygofers. 



Described from about 90 specimens of both sexes from the follow- 

 ing locahties : Nicaragua (Baker) , Behze, British Honduras (Johnson) , 

 Para, Brazil (Baker), Guadalajara and Jalapa, Mexico (Crawford), 

 and Habana, Cuba (Baker). The latter, from Cuba, seem to be 

 more uniformly brown rather than black, with the elytra correspond- 

 ingly brown. 



MEGAMELUS TEAP^ ALBINOTATUS, new variety. 



Differs from the species onl}^ in the pronotum being wliitish at 

 least on posterior half or more, male genital styles shghtly longer and 

 less spatulate at apex. 



Described from two males from Jalapa, Mexico (Crawford). 



Type-specimen.— Csit. No. 15988, U.S.N.M. 



MEGAMELUS INDISTINCTUS, new species. 

 Plate 49, fig. B. 



Average length 2.2 mm.; width of vertex 0.20 m.; width of frons 

 0.23.; antennge, I, 0.08, II, 0.19. General color dark brown to black 

 on scutellum and abdomen; pronotum and vertex hght brown to 

 yellow; frons brown; antennae and legs yellow. 



Head a Httle narrower than prothorax, carinas not strong, evanes- 

 cent at apex in brachypterous forms; vertex rather broad; frons 

 more than half as broad as long, a little narrowed between eyes; 

 antennae reaching to clypeus, I half as long as II. Dorsal carinas 

 not strong, laterals of pronotum somewhat curved out behind eyes. 

 Legs stout; hind tibiae longer than femora shghtly; calcar not large, 

 marginal dentation fine. Elytra typical, hyaline. 



Male pygofers typical, aperture somewhat five-sided, rather irreg- 

 ular; styles long, broadened and somewhat clavate-spatulate at apex; 

 anal tube with two long processes ventrad outside of genital styles. 



Described from two males (one brachypterous) and three females 

 from Pagosa Springs, Colorado (Baker). 



Type-specimen.— C&t. No. 15989, U.S.N.M. 



MEGAMELUS OCCLUSUS, Van Duzee. 

 Plate 48, fig. Q. 

 Liburnia occlusa Van Duzee '57:256. 

 Length of body 2.1 mm.; width oi vertex 0.28; width of frons 

 0.33; antennae, I, 0.10; II, 0.18. General color black; carinas of 

 head, tip of antennas, tibiae and tarsi hght brown to yellowish brown. 

 Body rather small in both sexes, robust. 



