416 



INSECTS INJURIOUS TO THE ORANGE. 



magnified, at h in the figure, is formed within the larval skin^ 

 which splits open along the back sufficiently to show the en- 

 closed pupa, which is black, with a few sparsely-scattered 

 tufts of fine hair. 



The beetle, which is seen magnified at c, and of the natural 

 size at d, is of a shining black color, with an irregular reddish 

 spot on each wing-case, and much resembles the twice-stabbed 

 lady-bird of the East. (Fig. 33.) 



The Ambiguous Hippodamia. 



Hippodamia ambigua Lee. 



In many districts in California this is a very abundant 

 insect. The larva is shown in Fig. 434 at a, and, when full 



Fig. 434. 





grown, is about half an inch long, of a bluish- black color 

 above, marked with orange, black, and yellowish white. The 

 pupa, b, is nearly one-third of an inch long, of a dull orange- 

 yellow, with black and yellow markings. The beetle, c, d, 

 resembles the blood-red lady-bird, but is narrower in pro- 

 portion to its length, and less convex in form. The head is 

 black, with a whitish patch in front, and the thorax black, 

 with a dull-white patch on each side towards the front. In 

 the figure, a,b, and c are magnified, and d shows the natural 

 size. 



