74. REPORT ON THE PADI-BORER. 
cured specimens of the caterpillars, which I have kept, and 
have bred from them the perfect insects. The results of these 
observations | will now proceed to detail, beginning with the 
description of the various stages of the Padi-Borer Moth. 
~« 
Description. 
Chilo species affin. C. Oryzeellus of Riley. 
The egg is oval shaped and white, faintly tinted with green- 
It has a finely pitted surface with some irregular, longitudinal 
creases. They are laid in masses of thirty or more together, 
in a slanting, overlapping, double, treble, or more extended 
series, and are firmly cemented together, and to the leaves on 
which they are laid. The egg is about 7¢ th inch long by 
repoth inch wide. 
Larva.—Head dark brown, polished, furnished with a few 
stiff brownish hairs, a median yellowish line. Cervical shield 
varies from light to dark brown, with a median yellowish line. 
Colour of body pale yellowish white, slightly transparent, 
marked with five rather indistinct, pale purplish stripes, 
of which those bordering the stigmata are scarcely half as 
broad as the other three. The piliferous spots are oval, yel- 
lowish coloured and polished, stigmata small, transversely 
oval, brown, the last pair twice as large as ene others, these 
latter are sometimes pale centred. Anal plate yellowish, 
polished, furnished with a row of three hairs upon each side 
and two near middle, it is marked with a few pe lt spots. 
Length {th to 1,,th inch. Diameter ~;th to =4,th inch. 
Pupa. —Colour pale yellowish brown, with five ‘bron longi- 
tudinal stripes. As it nears maturity it assumes a dark brown 
colour, wing cases paler and with a pearly lustre. Head bent 
forward, its front somewhat pointed. ‘Thorax with very fine 
transverse striz. Abdominal joints, armed dorsally, near 
their anterior margin, with numerous very minute brown 
thorns. Stigmata projecting. Tip of last joint conical, with 
a longitudinal lateral impression ; expanding dorsally into two 
flattened projections, each being divided into two broad teeth. 
There are also two projections from the lower surface of the 
