MACROGLOSSUM. 367 



flap and claspers shining ; head greenish -brown ; segment 2 

 dark brown, a band of degraded pink near front margin ; 

 3 and 4 greenish -brown, rest of body pale crimson, dotted 

 with white ; a greenish-brown dorsal stripe ; a narrow white 

 dorso-lateral stripe with a broader stripe of very dark greenish- 

 brown below it ; below this a still broader spiracular stripe 

 of pinkish-brown ; spiracles lying on reddish patches ; horn 

 black with black tubercles ; legs, shanks of prolegs, anal flap 

 and claspers black. Uh instar similar to the 3rd instar. 



5th instar. Head square with rounded edges ; clypeus 

 triangular, apex acute, less than one-half length of head ; 

 false clypeus with apex a narrow gothic arch reaching to 

 slightly more than one -half length of head ; labrum less than 

 one-half length of clypeus and not quite so broad as clypeus ; 

 ligula kidney- shaped, as long as labrum and two -thirds as 

 broad ; cutting-edge of mandible shallowly, coarsely toothed ; 

 eyes with 1 to 4 in a sharp curve and about one eye-diameter 

 apart ; 6 in line with 3 and 4, and further from 4 than 4 is from 3 ; 

 5 as far from 6 as 4 is from 6, and slightly further from 4. 

 Surface of head dull, covered with minute, conical, glassy 

 tubercles. Body with dull surface ; horn straight, of medium 

 length. 



Coloration. — Very variable, with green, black and pink 

 forms. The colouring of the green and black forms is as 

 described under the 3rd instar. Pink form : head degraded 

 rust- colour or greenish-red ; an indistinct yellowish subdorsal 

 stripe ; a yellowish stripe separating face from cheek ; labrum, 

 ligula and mandible green, the last with tip black ; antenna 

 greenish tinged with rusty. Body pink above the dorso- 

 lateral stripe, glaucous-green below it, the whole dotted with 

 white ; segment 2, subspiracular region of 3 and 4 and venter 

 of 5 and 6 suffused with yellowish-brown ; other segments 

 slightly suffused with orange in spiracular region ; a faint, 

 neutral-coloured dorsal stripe ; a white dorso-lateral stripe 

 from 3 to base of horn, very broad and well-defined on 12 ; 

 a yellow, interrupted subspiracular stripe from 5 to tip of anal 

 flap. Horn black, with black tubercles ; legs red, with black 

 claws and basal segment, by which the larva can be distinguished 

 from that of affictitia ; prolegs with a black band on front 

 surface near base. Spiracles oval, flush, orange, the surface 

 of the body round them suffused with dull orange. Length 

 50 mm. ; breadth 8 mm. ; horn 7 mm. 



Pupa. — Tongue -sheath more prominent than in affictitia, 

 semicircular in side-view ; tip of tongue spatulate ; antenna 

 equal to fore leg and reaching to about one-third the wing- 

 case, mid-leg about one-half. Surface shining, head, thorax 

 and wing-case smooth ; abdomen closely pitted ; front bevel 

 of segment 9 set with short, irregular ridges covering the 



