- PSEUDOSPHINX DISCISTRIGA. 53 
purple square patches of colour, the white and green being 
entirely lost. Larva when full grown isa large, thick-built 
caterpillar of 3 inches in length. 
Moth.—A stout large moth of a general greyish appearance, 
but with considerable variation in colouring and markings. 
Hampson describes it as follows :— 
Head, thorax, abdomen, and forewing grey; dark brown 
bands along sides of palpi and thorax meeting on metathorax, 
where there are a few blue and yellow scales; a dark line down 
vertex of abdomen and paired more diffused subdorsal lines, 
Forewing with some dark strigae from the costa; two dark 
streaks in the interspaces below veins 2 and 3; a dark streak 
from the costa before the apex, curved down to vein 6, 
then upwards and bent back before reaching the apex; a 
series of submarginal lunules; cilia chequered brown and white. 
Hindwing brown, with a pale patch with two dark lines across 
it near anal angle. Under side paler, with indistinct transverse 
lines. 
There are four well-marked varieties which are not locally 
constant :— 
(1) rubescens, a dark red-brown form with a prominent 
oblique black streak from costa of forewing to 
. lower end of cell; hind wing very dark ; 
(2) disctstriga = melanomera = macromera = grandis, 
a grey form, much powdered and suffused with 
dark brown; 
(3) obliqgua, a whitish-grey form with a prominent black 
streak on fore wing as in rudescens, but continued 
to the outer margin; hind wing very dark; the 
patch at anal angle remaining pale; 
(4) dzereta = vates,a pale form, but slightly powdered 
”‘ with brown. 
Expanse of wings 90—140 Mal iMeeesceat aL tio’. t. 
Life History. 
. The larve of this moth are to be found feeding on teak 
leaves towards the end of July, at which period they have been 
found of all sizes up to nearly, if not quite, full grown. It is 

