INSECTS AND INSECTICIDES. 21 



by sucking the sweet juices of the stalk, which soon wilts and 

 falls over. After the grub has attained its full growth it 

 passes into a brown pupa form, which resembles a flax seed, 

 and the empty pupa case is left protruding from the stalk 

 after the fly has emerged. 



Where this pest has appeared it is advisable to burn off the 

 stubble in the fall, as this will destroy the " flax-seed" pupae, 

 which hibernate in the stubble. It is also advisable to sow 

 the grain as late as possible. 



GARDEN SLUGS OR SNAILS. 



Although slugs or snails do not belong to the same sub-king- 

 dom as insects, yet the damage which some of them inflict on 

 vegetables and other products of the gardener and florist is 

 sufficient to cause mention of these pests in this bulletin. They 

 are generally found in damp places, hiding under stones and 

 in cracks of the ground in daytime. In the evening they come 

 from their hiding places in search of food, and as they are 

 voracious feeders, they often do great damage. 



At sundown thoroughly drench the garden. Place pieces of 

 board, shingles, or even cabbage leaves on the beds where the 

 damage has been done. The slugs will congregate on the under 

 side of these traps instead of returning into the wet soil and 

 can easily be killed in the morning. Spreading fresh slaked 

 lime on the ground around the plants that have been attacked 

 will act as a repel] ant, but if much watering is done the lime 

 will soon be washed away. 



RED SPIDERS AND MITES. 



Red spiders appear as minute red, reddish-brown, or yellow 

 specks on either the surface or the under side of the leaves and 

 by the aid of a hand lens are easily recognized. The eggs 

 are generally laid in masses on the un'der side of branches and 

 around the buds, this being particularly true of the almond 

 bryobia. The damage done by these minute creatures can 

 easily be noticed. The mites suck the sap from the cells of 

 the leaves, which take on a pale color and finally drop to the 

 ground. The following remedies have been used to advantage: 



For Red Spider or Yellow Mite on Deciduous Trees. Soon after 

 the trees are in leaf in the spring, and while they are damp 



