MART7MBA. 181 



■cylindrical ; horn straight, of medium length, tip shortly 

 bifid. A transverse row of small conical tubercles on each 

 secondary ring of the body ; a line of larger tubercles on the 

 oblique stripes, some of these with two or three points. Colour 

 of head and of dorsum of body yellowish-green, venter of 

 body neutral tint ; horn maroon, the base pale green, a ring 

 of pale yellow two-thirds from base. 3rd instar. -Very similar 

 to the 2nd instar. 4th instar. Very little change. 



5th instar. Head large, triangular, with a very short process 

 on the apex of each lobe ; face slightly convex ; true clypeus 

 one -third length of head, an equilateral triangle with the 

 basal angles rounded and tumid ; apex of false clypeus forming 

 a narrow arch over the apex of true clypeus ; labrum half as 

 long and slightly broader than clypeus, narrowing frontad, with 

 six longitudinal ribs, hind margin arched strongly backwards ; 

 ligula kidney- shaped, as long as and half as broad as labrum ; 

 eyes 1 to 4 in a curve, equidistant, 6 in line with 3 and 4 ; 

 5 equidistant from 4 and 6 ; 4 larger than the rest. Surface 

 •of head dull, covered sparsely with small conical, shining- 

 tubercles, those on the cheek slightly larger than the rest. 

 Body shaped as in others of the genus. Horn of medium 

 length, straight, tapering evenly to a blunt point. Surface 

 of body dull ; a transverse row of small, conical tubercles 

 along each secondary ring ; a subdorsal line of larger tubercles 

 on segments 3 and 4, and a line of large tubercles along each 

 oblique stripe. Horn covered with small tubercles. 



Coloration. — Head pale bluish-green ; basal angles of 

 clypeus orange : labrum glassy-green : ligula opaque whitish ; 

 antenna very pale green, the end-segment tinted with rose ; 

 mandible pale peach-colour, tip dark reddish-brown. Body 

 varying from bluish-green to yellowish -green or greyish-green, 

 some individuals yellow ; in the greenish forms the subdorsal 

 and oblique stripes narrow and yellow ; the tubercles bluish. 

 Horn yellow, and sometimes yellow patches below the oblique 

 stripes ; in the yellow form the stripes and tubercles maroon- 

 rose colour, horn orange or reddish ; true legs pink, or orange- 

 banded and blotched with red. Spiracles oval, lilac, rose- 

 colour or reddish -brown, the central slit pure white, the whole 

 with a narrow pale green rim. Length 80 mm. ; breadth 

 13 mm. ; horn 14 mm. 



Pupa. — Similar in shape to others of the genus ; frons 

 with six transverse, very rugose, shining ridges on each side 

 of the dorsal line and close to it, the anterior ridge the 

 highest, forming horn-like projections from the front of the 

 head ; dorsal line of the head and segment 2 rising at a steep 

 angle to the longitudinal axis of the body, the front part of 

 2 tumid and its dorsal line slightly carinate ; thorax short ; 

 tongue broad and short, ending before middle of wing-case ; 



