412 THE CICADELLINA. 



Mariner. Nevertheless, the general appearance of the 

 insect is rather sprightly than otherwise, although the 

 absence of wings and some other peculiarities show it 

 to be in the larva or pupa state, and the frothy matter 

 with which it is surrounded, and which consists of an 

 excrementitious fluid, is evidently intended to protect 

 its soft body from the attacks of its enemies. 



In the course of a short time, however, it attains 

 the perfect state, and then boldly quitting this con- 

 cealment and its pupa skin at the same time, pro- 

 ceeds to wander freely about upon the plants in the 

 form of a small dark brown insect, with two more or 

 less distinct pale yellow or whitish bands upon the 

 elytra, and endowed with a most extraordinary power 

 of jumping. This is the common garden Frog-hopper 

 (Aphrophora bifasciatd), which may be found in abun- 

 dance upon many plants during the summer, but 

 especially upon chrysanthemums ; it is generally seen 

 lying quietly in the hollow of some leaf, but the 

 moment we attempt to seize it, leaps away to a con- 

 siderable distance, striking out with such force with 

 its long hind-legs as to produce a distinctly per- 

 ceptible sound. A similar but larger species of Frog- 

 hopper is also found abundantly upon willows; its 

 larva also envelopes itself in a frothy secretion. 



These are amongst the commonest examples of the 

 extensive tribe of small Homopterous insects to which 

 the name of CICADELLINA is given, characterized by 

 having the antennse placed in front of the eyes, and 

 never possessing more than two ocelli. The antennae 

 are usually short and composed only of three joints, 

 of which the first two are small and stout, and the 

 third long and bristle-shaped. The tarsi are com- 

 posed of three joints, and the hind-legs, especially 



