THERETRA. 441 



1885 A, p. 288 (Poona ; Bombay); Butler, 1886, p. 379 



(Murree) ; Swinhoe, 1886, p. 434 (Mhow) ; id., 1888, p. 118 



(Karachi) ; Hampson, 1892, p. 85. 

 Theretra alecto, Dudgeon, 1898, p. 412 (Sikkim and Bhutan, up 



to 8,000 ft.). 

 Theretra alecto alecto, Roths. & Jord., 1903, p. 776 ; Jordan, 



1912, p. 259, t. 42/; Mell, 1922, p. 299, pi. x, figs. 22-28 



(larva), pi. xiv, figs. 5-8, pi. xix, figs. 5-6 (pupa) : Seitz, 1929, 



p. 566 ; Scott, 1931, pi. iii, fig. 6 (larva). 

 Chserocampa cretica, Butler (non Boisd.), 1880, p. 411, pi. xxxix,. 



fig. 8 (Kandahar ; descr. of larva). 



Imago. — $2. Head and thorax dark brown, abdomen pale 

 brown ; antenna and sides of head and thorax whitish ; 

 abdomen with a black side-patch on first segment and three 

 dark dorsal lines, sometimes absent. Fore wing pale brown, 

 with a dark speck at end of cell ; six or seven dark lines from 

 apex to inner margin, line 5 heavy, sometimes 1 also, 2 and 4 



Fig. 113. — Theretra alecto alecto (Linn.). 



weak, 6 and 7 vestigial or absent. Hind wing pink, black at 

 base, anal angle flesh-colour. Underside flesh-colour. Expanse : 

 <$ 84-92 mm., $ 75-106 mm. 



For detail of penis-sheath see fig. 110 H. 



Hah. W. and E. Himalayas, S. India and Burma, north- 

 ward to Formosa, eastward to the Key Islands. 



Egg. — Broadly ovoid, surface smooth and shining, colour 

 bright green. 



Larva : — 



1st instar. Pale yellow, with a long st raight black horn 

 2nd instar. Green, horn black. 3rd instar. Head and body 

 green ; a dark green dorsal stripe ; a white dorso-lateral stripe ; 

 ocelli on segments 5 to 11, that on 5 larger than the rest, 

 either reddish or blue, ringed with black ; horn long, thin, 

 base red or orange, rest black. In this and the succeeding 

 instars there is also a dark- coloured form of the larva. 4&h instar 

 (PI. V, fig. 21). Green speckled with yellow, except on head 



