RHAGASTIS. 



465 



running axially into segment 14. Colour of head and thorax 

 dull pale yellow suffused with fuscous ; the yellow also extends 

 ventrally to tip of wing-case ; tongue-sheath darker yellow, 

 fuscous at sides ; rest of wing-case pale orange ; antenna 

 with four lines of black dots ; larger brown dots along veins of 

 wings ; abdomen reddish-brown dorsally, with a broad fuscous 

 dorsal stripe ; laterally fuscous, with irregular white patches 

 round the spiracles ; ventrally pinkish, with broad interrupted 

 ventral and latero- ventral stripes ; spiracles black ; cremaster 

 dull orange. Length 50 mm. ; breadth 10 mm. ; cremaster 

 3 mm. 



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

 Begonia Linn., family Begoniacese ; Commelina Linn., family 

 Cominelinaceae ; Ar ism-ma Mart. ; Amorphophallus Bl., Colo- 

 casia Linn. ; Caladium bicolor Vent., and others of the family 

 Aroideae. Habits the same as those of the genus Theretra. 



Genus RHAGASTIS Rothschild & Jordan. (Fig. 120). 

 Roths. & Jord., 1903, p. 791. 



Genotype : velata (Walk.). 



Imago. — " ^$. Differs from Theretra in the second segments 

 of the palpi not touching one another, the base of the tongue 



Fig. 120. — Rhagastis Roths. & Jord. Genitalia. 

 A, R. velata (Walk.), penis-sheath. B, R. acuta (Walk.), penis-sheath. 

 C, R. aurifera aurifera (Butl.), penis-sheath. D, R. confusa Roths. 

 & Jord., penis-sheath. E, R. lunata lunata (Roths.), penis-sheath. 

 F, R. olivacea (Moore), penis-sheath. G, R. albomarginatus albo- 

 marginatus (Roths.), harpe ; H, penis-sheath. 



remaining visible ; from Cechenena in these segments not being 

 so narrow, bearing a large apical tuft on the inner side, and 

 having a much smaller naked area " (Roths. & Jord., 1903, 

 p. 791). 



VOL. V. 2 H 



