414 SPHINGIDJE. 



segment without apical tuft of scales. Antenna clubbed in $, 

 not clubbed and longer in $. 



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

 bright green. 



Larva. — Similar to those of Theretra in shape, but segments 

 4 and 5 not so swollen and anterior segments not so strongly 

 retractile as in Theretra ; horn straight, of medium length 

 or short ; ocelli on 5, or on 5 and 6 or on 5 to 11 ; dorso- 

 lateral and subspiracular stripes usually present, but no 

 oblique stripes. 



Pupa. — Tongue-sheath projecting more or less strongly 

 front ad or ventrad ; antenna equal to or slightly shorter than 

 fore leg ; surface moderately shining, and smooth or super- 

 ficially wrinkled or corrugate ; colour brown or bone- colour 

 speckled with brown or black ; cremaster variable. 



Habits. — Food-plants belong to several families, and are 

 nearly all herbaceous. Habits the same as others of the 

 subfamily. 



Hob. Old World. Five Indian species. 



Key to the Species. 



Imagines. 



1. Hind wing upperside smoky brown H. velox (Fabr.), p. 415. 



Hind wing red, or partly red 2. 



2. Hind wing with base and anal angle bright 



pink, disc blackish, outer area ochreous- 



brown with a black submarginal line ; [p. 417. 



veins black H. celerio (Linn.), 



Hind wing not so marked 3. 



3. Hind wing with base black and a large pale [p. 420. 



anal area H. echeclus (Boisd.), 



Hind wing not black at base 4. 



4. First segment of palpus with conspicuous [p. 422. 



white lateral line close to eye H. rafflesi (Butl.), 



First segment of palpus without such line. . H. boerhavise (Fabr.), 



[p. 424. 



Larvae. 



1. Ocellus on 5 only ; horn short and stout. . . H. velox (Fabr.), p. 416. 

 Ocelli on 5 and 6 only 2. 



Ocelli on 5 to 11, decreasing in size back- 

 wards, sometimes obscure on posterior 

 segments 3. 



2. Ocelli D-shaped, chord of D dorsad ; horn [p. 423. 



long and thin H. rafflesi (Butl.), 



Ocelli longitudinally oval, that on 6 blind 

 and much smaller than that on 5 ; horn [p. 418. 



of medium length, stout at base H. celerio (Linn.), 



3. Ocellus on 5 nearly round ; horn rather [p. 425. 



short and thin H. boerhavise (Fabr.), 



Ocellus on 5 longitudinally oval ; horn very [p. 421. 



short, stout at base and tapering sharply. H. echeclus (Boisd.), 



