H. flava 



409 



somewhat prominent retrograde angle; a distinct retrograde spine, 

 directed inwards at the ventro-lateral angle of article 3 ; hypostome 4 | 4 

 on its distal half, then 5 5, the additional teeth being median. Venter : 

 yellow, spiracles white, ovoid, with slight blunt dorsal protrusion. 

 Legs : a fairly long blunt spur on coxa I ; shorter blunt spurs on coxae II 

 and III ; a long sharp spur (longer than the width of the article) at 

 the inner angle of coxa lY; tarsus IV rather short, about thrice as 

 long as broad, tapering gradually. 



-nz^^ 



Fig. 342. Fig. 343. 



Fig. 342. H. flava i . Dorsum, spiracle and coxae. (Sketch by C. W.) Warburton, 

 1908, Fig. 1. 



Fig. 343. H. flava ? . Capitulum and scutum, coxae, spiracle and tarsus IV. (Sketch 

 by C. W.) Warburton, 1908, Fig. 2. 



Female (Fig. 343): All yellow when unfed, the scutum a bright 

 yellow when the body is dark and distended. Scutum as broad as long, 

 about 1x1 mm.^, broadest at the posterior third, bright yellow, with 

 numerous fairly large punctations ; cervical grooves long, concave 

 externally, beginning somewhat behind the anterior border as fairly 

 deep depressions and continuing faintly to the postero-lateral margin : 

 no lateral grooves. Capitulum : base comparatively broader than in 

 the cT , and with short blunt cornua, porose areas large, oval, converging 

 anteriorly, their interval equal to their long diameter, a few iiTegular 

 punctations in the middle of the interval ; palps more salient and 

 more sharply angular outwards, otherwise like those of the </ ; 

 hypostome 4 4 or 5 j 5. Venter : spiracles white, rounded, with blunt 



1 The scutums of two other females measured in mm. : (N. 893) from Japan, 0-85 x 1 ; 

 (N. 763) from India, 1 2 x 1-2. 



