PERGESA. 409 



submarginal band blackish ; marginal band narrow, pink 

 dotted with black ; a white patch near anal angle. Pulvillus 

 present. Outer spines of fore tarsus prolonged, at least partly, 

 their number often obviously reduced. Expanse : £ 52- 

 84 mm., $ 60-90 mm. 



Sexual armature of the ordinary type ; process of harpe 

 comparatively short, acute, curved. 



Hah. W. Himalayas (Quetta) and S. India (Mhow ; Karachi ; 

 Calcutta ; Campbellpore), Africa northwards to Southern 

 Europe, eastwards to China, sometimes wandering to Central 

 Europe and England, where it is known as the Striped Hawk- 

 Moth. 



Larva : — 



Final instar. Horn stout, tapering evenly to a blunt tip, 

 nearly straight. 



Coloration. — Head and saddle-shaped mark on segment 2 

 black or pink. Body varying from "green to blackish ; 

 a yellowish dorsal stripe, sometimes tinged with pink, from 

 3 to base of horn ; a series of subdorsal spots, yellow tinged 

 or centred with pink and ringed with black, round on 4 to 11, 

 pear-shaped on 12, double on 13 ; these spots sometimes 

 replaced by a yellow stripe ; lateral area dotted with yellowish- 

 green ; a whitish and dull pink subspiracular stripe. Horn 

 pink ; legs and claspers black, prolegs pink with black feet ; 

 venter dull pink. Spiracles white. Length 85 mm. 



Pupa. — Tongue-sheath enlarged basally, a tubercle on 

 each side above base of tongue. Surface dull, slightly 

 shagreened. Cremaster a short thin spike. Colour like that 

 of C. e. nervosa. 



Habits. — Food-plants : Vitis Linn., family Ampelidese ; 

 Galium Linn., family Rubiaceae ; Rumex Linn., family Poly- 

 gonacese, and other plants. 



Genus PERGESA Walker. 



Walker, 1856, p. 149 (part.) ; Roths. & Jord., 1903, p. 734 ; id., 

 1907, p. 129. 



Genotype : porcellus (Linn.). 



Imago. — ^$. Medium-sized moths, body and underside of 

 wings rosy-red. " Similar to Celerio. Palpus hairy at sides. 

 Eye strongly lashed. Antenna very feebly incrassate distally, 

 almost filiform in <$, slightly clubbed in $, hook gradual, 

 consisting of seven to ten segments. Spines of abdomen weak, 

 more numerous than in Celerio. First row of spines of first 

 protarsal segment double at base ; pul villus normal. 



" (J. Tenth tergite slender, much narrower than the sternite ; 

 this flat, or slightly convex beneath, not keeled nor boat- 

 shaped, rounded-truncate or rounded at end. Clasper 



