SARROTHRIPUS. 263 
b. Fore wing without small black spot in submedian fold 
before subterminal line. 
a‘. Fore wing without oblique dark area from middle 
of costa to inner margin towards tornus. 
a*, Fore wing not tinged with yeliow-green. 
a’, Kore wing not silvery white. 
a‘, Fore wing with triangular dark patch 
middle of costal area. 
@, Kore wing with the postmedial line not 
angled outwards at vein 6. 
a’, Fore wing without purplish red discoidal 
SOD at onsiecrate materi ecteeesrteniecce.teuidcetae brunneicosta, 
18, Fore wing with purplish red discoidal 
SPOb.sseeeserecteerseceeeeeceecseeceeteeeeeseeees mauritia. 
o*. Fore wing + with the postmedial line angled 
outwards BERVelNE OMe ossee sc csatee seeee ve mesoplaga. 
. Fore wing without triangular dark patch at 
middle of costal area. 
a. Fore wing with the postmedial line distinctly 
waved below VEU) Ey ee waclecseieconcncercacecise . crystallites. 
&. Fore wing with the postmedial line hardly 
waved below VEL tesa decade viste se concdecsnene policphea, 
>*. Fore wing with the ground-colour silvery white aroa. 
o*. Fore wing tinged with yellow-green ............... avola, 
bo‘, Fore wing with oblique dark area from middle of 
costa to inner margin towards tornus ...... ........ cebeu. 
C. Fore wing with the postinedial line excurved froin betow 
Costa bolvein) 4. them ine yedsnc-receeacec sl aeeer eee esse sk . bopis. 
D. Fore wing with the postmedial line excurved below costa, 
then oblique .....-.... Raosicteenieaart nedobaaeesseononusaconoudnon: NCLesaAnaE 
6536. Sarrothripus malachitis, n. sp. (Plate CLXXXI. fig. 3.) 
@. Head and thorax white mixed with pale blue-green and 
blackish ; antennee brown except at base; tarsi ringed with black ; 
abdomen white dorsally suffused with brown. Fore wing with the 
costal area white suffused in parts with blue-green, from apex 
obliquely to vein 1, at antemedial line, and thence to base, the rest 
of wing brownish grey thickly irrorated with fuscous and with some 
white and blue-green on terminal area between veins 4 and 2; sub- 
basal line black, waved, from costa to submedian fold ; antemedial 
line black, incurved in cell and at vein 1 and strongly angled out- 
wards at submedian fold ; orbicular and reniform defined by black, 
the former small, round, the latter elliptical ; medial line black, bent 
outwards from below costa to the reniform, oblique and sinuous 
below the cell ; postmedial line black, bent outwards below costa, 
bent inwards in submedian interspace, then outwards again; sub- 
terminal line black, minutely dentate, the veins beyond it streaked 
with black. Hind wing semihyaline white, the veins towards 
termen and the termen to vein 2 brown; the underside wholly 
white. 
Hab. Br. E, Arnica, Muani (Betton), 1 9 type. Hap, 24 millim. 
