648 On neiv Oriental Ilomoptera. 



Phra ampUficata, sp. n. 



Head, pronotum, body beneath, and legs pale ochraceous ; 

 eyes black, with golden iridescence ; mesoiiotum with four 

 castaneous fascire, two central and contiguous and one near 

 each lateral margin; tegmina subhyaline, talc-like, pale 

 fuscous streaks on costal and apical areas, many of the discal 

 veins suffused with fuscous and more prominent suffusions on 

 radial area and on inner margin ; wings hyaline, with an 

 opalescent lustre, the veins a little darker. 



Long., excl. tegra., 3-4 mm. ; exp. tegra. 17-18 mm. 



Ilab. Ceylon; Maskeliya {Green). 



Phra atromaculata, sp. n. 



Body above, head beneath, sternum, and legs dull brownish 

 ochraceous, the abdomen with the posterior segmental margins 

 greyish white ; abdomen beneath dull stramineous, with 

 lateral marginal fuscous spots and the posterior segmental 

 margins greyish white ; tegmina dull greyish white, talc-like, 

 the veins prominent and beyond basal area paler and more 

 creamy white in colour, with small scattered black spots, two 

 in posterior half o£ costal membrane, two in radial area, one 

 beneath radial area, and another (larger) near claval apex, on 

 apical half of disk, three or four spots arranged longitudinally ; 

 wings creamy white. 



Long., excl. tegm., 4 mm. ; exp. tegm. 13 mm. 



Hah. N.W. Lidia. 



Archa, gen. no v. 



Vertex of head long and narrow, projecting considerably 

 beyond eyes, moderately widened posteriorly, notched at 

 apex, the lateral margins strongly ridged ; face long and 

 narrow, the lateral margins ridged, a little ampliated before 

 clypeus, which is centrally ridged and much shorter than 

 face ; antennse inserted just before base of clypeus, long, 

 second joint very robust ; rostrum reaching the posterior 

 coxEB, apical joint of moderate length ; legs moderately long 

 and slender ; pronotum short, angularly sinuate, its lateral 

 margins follaceously produced, its posterior margin ridged ; 

 mesonotum long, somewhat obscurely tricarinate ; tegmina 

 narrow at base, broadened towards apices, apical areas nume- 

 rous, short, extending from posterior angle of inner margin 

 to apex of costal margin, costal area wide, without transverse 

 veins, costal margin sinuate a little beyond base. 



By the strongly developed antennce Archa, in this fauna, 



