INSECTS, DISEASES, AND REMEDIES I5I 



however, as they jump about very quickly. 

 They injure the plants by puncturing the 

 young leaves and stems and sucking the 

 juices, the spots being caused by this action. 

 Often the entire point of the shoot will 

 be checked, causing it to go blind. A 

 thorough spraying with whale-oil soap solu- 

 tion,- of the strength recommended for red 

 spider, will destroy the young bugs and tend 

 to drive away the old ones. If the plants 

 are in a compact mass, or near some build- 

 ing, they may be covered with mosquito net- 

 ting to prevent the bugs from getting at them. 



CHRYSANTHEMUM BEE-FLY 



What is known as the chrysanthemum 

 bee-fly makes its appearance in the autumn 

 about the time that the flowers of the chrys- 

 anthemums are fully open, and feeds from 

 the pollen of the flowers. This has a very 

 decided resemblance to the common black 

 honey bee, hence Its name. It does no harm 

 beyond soiling a few of the petals. 



FUNGOUS DISEASES 



Leaf-spot is a disease that attacks the 

 older foliage of the plants and causes serious 



