DEILEPHILA. 2G7 



mid-tarsus with comb, the spines of which are, however, not 

 much prolonged. Wings entire, apex of fore wing pointed ; 

 R 2 of hind wing before centre of cell. 



" (£. Tenth tergite simple, tergite not or little narrowed 

 to end, convex above at end and concave below ; sternite 

 elongate-triangular, sides sometimes nearly parallel (in dorsal 

 aspect), apex more or less pointed, upperside concave, trans- 

 versely ribbed or tuberculate at end. Clasper with less- 

 than ten large friction-scales, rounded-dilate dorsally ; harpe 

 with two processes, one proximal the other distal, both dorsal. 

 Penis-sheath with one or two left processes, and a longer right 

 process. 



" $. Vaginal plate suddenly narrowed at end, here concave, 

 the apical margin raised and somewhat projecting ventrad " 

 (Roths. & Jord., 1903, p. 505). 



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

 green. 



Larva. — Head small, body tapering sharply frontad from 

 segment 4, rest of body nearly cylindrical ; horn down-curved. 

 Surface dull and smooth, tubercles on horn only. Colour 

 green or brown, with a pale dorso-lateral stripe and a blue 

 ocellus on segment 4 (except in placida ?). 



Pupa. — Head round ; surface smooth and shining ; coxal 

 piece present ; antenna about equal to fore leg ; cremaster 

 bifid ; colour ochreous or terra-cotta, with a black mesial line 

 and a series of round black spiracular spots. 



Habits. — The food-plants belong to the families Cornacea?, 

 Rubiaceae and Apocynacese. The larva turns brown before 

 pupation, which takes place in a rough cocoon on the surface. 

 The abdomen is bent upwards when the moth is at rest. 



Hob. Aetbiopian and Oriental Region, one species (nerii) 

 extending northwards into the Palsearctic Region. Six Indian 

 species and subspecies. 



Key to the Sp>ecies and Subspecies. 

 Imagines. 



1. Pale apical line of fore wing widened to a 



spot close to apex 2 . 



Pale apical line of fore wing simple 3. 



2. Green subbasal area of fore wing above [p. 272. 



externally sinuate at SC D. layardi (Moore), 



Green subbasal area of fore wing above [(Cram.), p. 271. 



externally not sinuate D. h. hypothous 



3. Abdomen with pale subbasal belt above . . 4. 



Abdomen without pale subbasal belt above . 5. [p. 274. 



4. .Smaller, paler form D. m. minima (Butl.), 



Larger, darker form D. m. emestina 



5. Teguke and subbasal band of fore wing [(Moore), p. 274. 



bright olive-green D. nerii (Linn.), p. 268. 



Tegulae and subbasal band of fore wing [p. 273. 



blackish or brownish olive-green D. placida (Walk.) 



