70 

 THE CANE ply (Delphax saccha rivora, Westw.). Hemiptera. 



The cane fly lives on the leaves and stems of the cane, 

 procuring its food by sucking the juices of the plant by 

 means of its proboscis, with which it is able to penetrate 



Fig. 74. Sugar-cane attacked by cane fly. 

 (Original.) 



the epidermis of the leaf and the tender part of the stem 

 near the growing point. The eggs are deposited within 

 the tissue of the leaf, in slits which the female cane fly 



^@p* 



Fi &- 75- Cane fly adult. 

 Much magnified. (Imperial Dept. Agric.) 



makes with the saw-like ovipositor. The presence of the 

 cane fly is often first indicated by the black fungus 

 which grows on the canes wherever these insects occur 

 in considerable numbers. In fact, the cane fly was 



