THERETRA. 459 



emerge and lay its eggs till the monsoon is well established, 

 about July, but in Burma eggs and larvae were found before 

 the end of April. We have not seen the moth feeding or 

 coming to light. 



169. Theretra castanea (Moore). (PI. VI, fig. 11, larva). 



Pergesa castanea, Moore, 1872, p. 566 (Bombay) ; Waterhouse, 

 1881, pi. lvi; Swinhoe, 1885 A, p. 288 (Sattara). 



Chserocampa castanea, Hampson, 1892, p. 92. 



Theretra castanea, Roths. & Jord., 1903, p. 788 ; Seitz, 1929, 

 p. 568, t. 68 d. 



Chserocampa hyporhoda, Hampson, 1900, p. 39 pi. B, fig. 12 

 (Karwar). 



Imago. — ^$. Head, thorax and abdomen bright reddish- 

 brown ; antenna and legs white ; shoulder and outer edge of 

 patagia with a greyish- white stripe. Fore wing bright reddish- 

 brown ; costal edge very narrowly white, base and basal 

 half of inner margin grey ; outer edge of basal half of sub- 

 costal and median veins grey ; an indistinct, oblique, 

 pale discal band from cell to inner margin ; a black stigma ; 

 traces of three somewhat oblique postmedian lines ; a greyish 

 marginal area, widest at R 2 and coming to a point at apex. 

 Hind wing dark tawny-olive or blackish, cilia white between 

 M 2 and SM 2 . 



Underside varying from orange -rufous to pale tawny ; 

 both wings with two indistinct curved lines just beyond 

 middle and a greyish terminal band with waved inner edge. 

 Opening of palpus partly covered by single long scales of 

 the first and second segments. External row of spines on 

 first protarsal segment single except at base, where there 

 are some additional spines. Expanse : $$ 50-80 mm. 



Hab. S. India. We have bred it in the Kanara District 

 and in the Mlgiris up to 6,000 feet. The larvae are common 

 during the monsoon months. 



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

 whitish. 



Larva : — 



1st instar. Head very large and round ; head and body 

 very pale yellow ; horn long, very shortly bifid, black. 2nd 

 instar. Head yellow, body pale bluish-green, segment 5 

 sh'ghtly swollen ; horn straight, black with yellow base and 

 white tip. 3rd instar. A green and a dark-coloured form. 

 Green form : head pale orange, body green dotted with white, 

 anal segments yellowish-white ; segments 4 and 5 swollen, 

 5 with a round white dorso-lateral ocellus ; horn shining black, 

 base pale orange, tip white, the whole covered with small 

 tubercles. In the dark-coloured form the green is replaced 

 by pale maroon-red, on segments 2 to 4 by blood-red. 4th 



