124 



PESTS OF GARDEN AND FIELD CROPS 



fleshy grub. There is one generation annually. The insect hiber- 

 nates in the soil in cane fields. 



Planting of cane should be deferred until spring in order to have 

 opportunity of spring plowing and cultivation. The running of 

 second or third year cane should be avoided. Trash should be cleaned 

 up in the fall. Corn should not follow cane. 



The Carrot Beetle {Ligyrus gibbosus De G.) 



The roots of carrot, celery, parsnips, sugar beets, potatoes, and 

 corn are eater into by a beetle, which works usually just below the 

 surface of the ground. The 

 insect is black above, reddish 



Fig. 



97.— The Carrot Beetle. 

 Original. 



Fig. 98.- 



-Work of the Carrot Beetle. 

 Original. 



beneath, and about half an inch long. There is one generation a 

 year. The adults come out in the latter part of summer, and over- 

 winter in the soil. Damage may occur either in fall or in spring. 



Removal of crop remnants, fall plowing 

 and cultivation, and similar cultural meas- 

 ures are advised. 



The Slender Seed-corn Ground-beetle 



{Clivina impressifrons Lee.) 



Seed corn planted in low or peaty ground 

 sometimes is injured or destroyed by a 

 small beetle which eats out the heart of 

 the sprouting kernels. The insect is a little 



Fig. 99. — The Seed-corn 

 Agonoderus. Enlarged to 

 twice natural size. Orig- 

 inal. 



