ir-i 



IXSECTS IXJURIOUS TO STAPLE CROPS. 



injured as the mammoth and common red, on account of 

 its fibrous roots and the tendency of its tap-root to divide. 



a 



Fig. 96.— The Clover Root-borer {Hylastes ohf<curus Marsh), a, 

 adult beetle; 6. larva; c, pupae; d, eg^; e, f, showing appear- 

 ance of infested roots. (After Webster.) 



Remedies. — On account of its underground life tliis pest 



is not readily combated. The only remedy known is that 



