Insects and Insecticides 
41 
spine is represented by a shining black spot 
Remedies .—Hand picking will usually keep the insect in control. 
The arsenicals, 2, 4 and 5, are quite effective. 
Sweet Peas 
Red Spider .—Many growers of this common flower find the lower 
leaves turning yellow and falling, and the vines stopping growth. This 
is usually due to the work of the Red Spider. 
For description and remedies, see under Peach Foliage. Frequent 
drenching with the garden hose will do much to keep the spider in 
check and prevent its injuries. 
spraying from a home-made tower. 
