90 THBCLA BUBI. 



f erent stages of growth. These from the Genista were 

 not so brilliant in markings as those from broom, bnt 

 otherwise identical ; and from both sets of larvse the 

 perfect insects came forth from the 25th of April to 

 the 9th of May, 1869, very lovely specimens. 



The full-grown larva is about five-eighths of an inch 

 in length, and gains nearly an eighth of an inch when 

 stretched out in walking; thick in proportion and 

 somewhat onisciform in shape, flattened beneath ; the 

 head very small and retractile ; the second and third 

 segments rounded above ; the others to the tenth 

 inclusive have a dorsal hollow with an eminence on 

 each side of it, which slopes thence to the lateral ridge ; 

 the last three segments are rather flattened above. 



The ground colour is a bright yellowish olive-green, 

 the hollow of the back is a darker full green, and down 

 its centre runs the pale olive-green dorsal line, which 

 gradually widens and suddenly contracts on each seg- 

 ment throughout its course, and becomes darker on 

 the last three segments, and is there bordered by a 

 yellowish stripe on each side ; from each eminence on 

 the other segments a thick bright yellow streak slants 

 backwards and downwards, bounded beneath by an 

 equally thick streak of deep full green, most intense 

 at its beginning on each segment ; the lateral ridge 

 has a stripe of yellow, beginning at the third segment 

 and running continuously round the anal extremity ; 

 parallel to this and above the spiracles is a faint indi- 

 cation of a stripe a little yellower than the ground 

 colour. The head is pale brown with darker brown 

 round the mouth ; the appearance of the larva is 

 velvety, caused by minute raised points bearing fine 

 short bristles. 



The larva, when younger, has the yellow markings 

 less distinct, and in two of the examples found on the 

 Genista they scarcely appeared even to the last. 



The larva enters the earth, but only just beneath 

 the surface, to undergo its change. 



The pupa is very short and thick, especially about 



