288 



Insecticifles 



Aphides 



jsoft soap ti to 10 lbs. 



/water 100 gallons 



or with quassia 6-8 lbs. added 



Cabbage fly 



Black currant gall mite 



Vine weevils 

 Winter moth . . 



Gooseberry sawtly 

 Apple sucker . . 



Woolly aphis 

 (Winter washes) 



Speaking generally, the following are methods in fairly general use : 



1. Lead arseniate or Paris green for caterpillars. 



2. Soft soap and quassia for hop aphis; soft soap alone or with 

 quassia extract for aphides generally. 



3. Sulphur in some form for red spider. 



4. Washes containing free caustic alkali for cleaning tree trunks 

 in winter. 



5. Paraffin in very weak emulsion with soft soap or paraffin stirred 

 up in water for garden pests. 



