xv, 2 Crawford: Jumping Plcuft Lice 191 



Thorax arched, broad, with scattering hairs. Legs long and 

 stout; tibiae very long, hind tibiae without basal spur, four small 

 spines at apex. Forewings large, broadly rounded at apex, veins 

 thick and heavy, not unicolorous. Hind wings about half as 

 long as forewings or more, narrow. 



Abdomen thick. Male forceps half as long as anal valve, rec- 

 tangular in outline (lateral), truncate at apex, with three teeth 

 on apical margin ; anal valve long, broadest at base, tapering to 

 narrow apex. Female genital segment about half as long as 

 rest of abdomen, dorsal valve a little longer than ventral, both 

 subacute. 



Singapore (Baker) , 1 male and 2 females. 



Trioza divisa Crawford ('17 : 172) . 



The description of the female genitalia, having been omitted 

 in the first account of this species, is given here. Abdomen very 

 short; genital segment short, but nearly as long as abdomen, 

 dorsal valve a little longer than ventral, both subacute and tawny 

 in color. 



Luzon, Benguet Subprovince, Baguio (Baker) , 1 female. The 

 first specimens, 2 males, were from the same locality. 



This species is very close to the Japanese Trichochermes bi- 

 color Kuwayama, differing in only a few respects as indicated 

 in the foregoing key. 



Trioza diptera sp. nov. Plate III, figs. 6 and 7. 



Length of body, 1.9 millimeters ; forewing, 3.1. Thorax orange 

 red, abdomen reddish brown on notum and mostly white on 

 venter; vertex pale brown, with three darker stripes, posterior 

 ocelli red; genae white; antennas white, with three broad black 

 rings; legs white or pale; wings clear. Body surface more or 

 less white-pulverulent. 



Head nearly as broad as thorax, declivous; vertex nearly as 

 long as broad, median suture sulcate, and a long, slightly cres- 

 centic sulcus on each side; genal cones broad at base, acutely 

 pointed, strongly divergent, directed forward, pubescent with 

 white hairs. Antennae about one and one-half times as long as 

 width of head, slender, conspicuously black and white. 



Thorax narrow, not much arched. Legs rather short; hind 

 tibiae without basal spur, with four black spines at apex, three 

 together and one alone. Forewings long, acutely pointed, trans- 

 parent, marginal cells far separated. Hind wings reduced to 

 mere stubs, almost wanting. 



Abdomen long and slender. Male genital segment unusually 



