XX 

 INSECT ENEMIES OF PRINCIPAL CROPS 



The plants are arranged in related plant groups, having 

 considerable infestation in common. Their enemies are 

 designated by the numbers of the preceding list. The part 

 of the plant attacked is indicated by the full-faced letters 

 A to E, as per key table, on p. 151, in which A means de- 

 stroyer of wood; B, of roots; C, of fruits; D, of seeds; E, of 

 herbage, this last term including all green parts. 



Alfalfa and clovers (legumes) B. 56 



D. 61,118 



E. 7, 26, 46, 50, 60, 62, 65, 77, 83, 

 91, 92, 99, 105 



Apple, pear, quince and crab A. 21, 59, 60, 116 



(pome fruits) B. 5, 17, 53, 63, 64, 68 



C. 45, 74, 80, 104 



D. 118 



E. 6, 16, 26, 29, 30, 31, 34, 62, 66, 

 70, 71, 72, 77, 80, 81, 83, 84, 85, 

 86,87,88,89,91,94,97 



Asparagus B. 113 



D. 36 



E. 7, 16, 23, 33, 36, 44, 77, 83, 91 



Beans and peas (lentils) B. 64, 68, 113 



D. 61 



E. 7, 12, 16, 23, 29, 38, 48, 49, 50, 

 65,77,83,88,91,97 



Beets, spinach and rhubarb B. 17,113 



E. 7, 12, 16, 38, 44, 46, 48, 66, 77, 

 89, 91,99, 109 



157 



