148 INSECTS INJURIOUS TO VEGETATION. 



and mowing lands from the first of June to the middle of August, 

 being found in various states of maturity throughout this period. 

 The young also appear still earher, and are readily known by 

 their green color, and large compressed thorax, which is arched 

 and crested or keeled above, and by their very short and flattened 

 antennae. These locusts are sometimes very troublesome in gar- 

 dens, living upon the leaves of vegetables and flowers, and attack- 

 ing the buds and half expanded petals. The larvae or young 

 survive the winter, sheltered among the roots of grass and under 

 leaves. 



12. Locusta {Tragocephala) radiata. Radiated locust. 



Rust-brown ; thorax keeled above ; wing-covers entirely brown, 

 but semitransparent at the end ; wings transparent, with brown 

 network, and the principal longitudinal veins black ; they are very 

 faintly tinted with green next to the body, have a large dusky 

 cloud near the middle of the hind margin, and a brown streak on 

 the front margin ; hind shanks reddish brown, a little paler below 

 the knees, and the spines tipped with black. Length about 1 

 inch ; exp. from If to 2 inches. 



This species is now for the first time described. It seems to 

 be rare. I captured one specimen in Cambridge on the first of 

 July, and have received another from Dr. D. S. C, H. Smith of 

 Sutton, Massachusetts. It is found in North Carolina as early as 

 the month of May in the perfect state. 



The following species have the face still more oblique than the 

 foregoing, but the antennae are much longer, particularly in the 

 males, in which they nearly equal the body in length, and are not 

 enlarged towards the end. The eyes are oval and oblique, and 

 there is a deep hollow before each of them for the reception of 

 the first joint of the antennae. The thorax is not crested or 

 keeled, but is flattened above, with three slender threadlike ele- 

 vated lines, and the hind margin is very nearly transverse, or not 

 much (if at all) angulated behind. The wing-covers and wings 

 are extremely short. The hind-legs are long and slender. I 

 propose therefore to separate these species from the other locusts 

 under a subgenus by the name of Chlo'ealHs, derived from the 

 Greek, and signifying a grasshopper. 



