290 



Wisconsin State Horticultural Society. 



and qaite brown, with distinct wing-pads, but with the pale 

 transverse band still visible after the third." The entire process 

 requires from five to seven weeks ; according to Dr. Shimer's ob- 

 servations, from the time the egg is deposited until the imago ap- 

 pears is usually from fifty-seven to sixty days. 



Fig. 5. 



Fig. 6 % 



The accompanying cuts are taken from Prof. Riley's report on 

 this insect, and are also used in the governmental report of Prof. 

 Thomas, mentioned before. Figure 5 represents the full-grown 

 larva, magnified. The natural size is represented by the line at 

 the side. In figure 6, a and b are magnified views of the eggs, the 

 small figures at the side denoting their natural size; c, the young 

 larva, when first hatched; d, the tarsus of the same; e, the larva 

 after the first moult; f, after the second moult. The pupa is rep- 

 resented by g ; h, is the leg, magnified; i, the beak, with which 

 the sap is drawn out of the plants, and j, the tarsus of the 

 matured bug. 



For a long time it was the general opinion that thee were three 

 or more broods a year, but careful observation has established 

 the fact that there are but two. The adults of the fall brood, on 

 the approach of cold weather, seek shelter, generally near at hand, 

 under shocks of corn, straw piles, logs, fences or other rubbish in 

 and around the field. Sometimes, though but seldom, they fly to 

 the thick timber and take refuge on the ground under the leaves. 

 They have been found in large numbers in such winter quarters 

 in woods far from the cultivated fields. In these p'aces they pass 

 the winter in a torpid, or semi-torpid, state. Where sheltered 



