450 
BISTON SUPPRESSARIA, Guen. 
Plate XXVII, figs. 3, 3a, 38. 
Reference :— Hampson, Fauna Br, Ind. Moths. III., 247, No. 3357: 
Classification:—Order, LEPIDOPTERA. Sub-Order, HETERCCERA. 
Family, Geometridae. 
Trees attacked:—-Dodonza viscosa (sanatha); Carissa 
diffusa (gorinda); Bauhinia vartegata ‘kuliar); Acacia 
Catechu (khair); Acacia modesta (phulai), Rothra tinctorta 
(kamila), Hampson also gives Cassia auriculata in the Fauna. 
Description, 
Larva.—Dark green, with dark bands on the segments anda 
‘slight sub-lateral line; the spiracles are white, ringed with red and 
with red centres ; the tubercle on the first segment, and the legs, 
purple. The larva of the female is a paler green. Length 
2-2} inch. Pl, XXVII, fig. 3, shows this caterpillar at rest on 
a branch. 
Pupa.—Dark reddish brown, short and thick with a blunt 
posterior end. Length 1} inch. See fig. 3a. 
Moth.—Grey irrorated with black ; head ochreous, the pro- 
boscis well developed, frons not very hairy ; thorax and abdomen 
with yellow bars. Fore wing with a waved yellow antemedial 
band ; both wings with the outer margins non-crenulate and 
with irregularly sinuous indistinct yellow medial line excurved 
beyond cell of forewing; an ill-defined post-medial angled band, 
with some yellow spots beyond it and often some black suffu- 
sion at middle of outer margin of forewing ; a marginal series of 
yellow spots. Exp. @60-70,2 74-80 millim. Fig. 34 shows 
this insect. 
Life-Histcry.} 
The moth appears on the wing early in September, but it is 
not at present known when the eggs are laid or where. The 

1 The notes on the life-history of this pest, together with excellent speci- 
mens of the larval, pupal and imago stages of the insect itself, were sent to 
me by Mr. H. A. Hoghton, Conservator of Forests, at the time Deputy 
Conservator of Forests in charge of the Rawalpindi Division. Mr. 
Hoghton’s observations, extending over a period of three months, are most 
valuable and have enabled me to form avery fair idea of the life-history 
of thispest. The chief point remaining is to work out the March to June 
“stages. : 

