40 
A FEW INSECT ENEMIES OF THE ORCHARD. 
it has been found that a thorough spraying with London purple 
or Paris green at the correct time will destroy about 70 per cent, of 
them. 
The proper time for spraying is immediately after the blos- 
soms fall and never before. To spray before the blossoms fall 
is not only waste of time and material, but will also be liable to 
poison honey bees that visit the flowers for honey and pollen. 
If the spraying is much delayed, many of the worms will have al- 
ready eaten their way into the fruit and be out of the reach of the 
poison. A second application should be made in a week or ten 
days after the first. If heavy rains fall, it is well to make the 
second application as soon as possible afterward. Should there 
be much rain-fall following the first or second treatment within 
a few days, it would pay to make a third treatment, but otherwise 
not. Care should be taken to throw the spray so that it will 
strike the blossom ends of the apples, and the treatment should 
be thorough. It is best to stop as soon as the leaves begin to 
drip. 
In the eastern states, it is usually recommended to make the 
application in the proportion of one pound of poison to 200 gal- 
lons of water. In the dry atmosphere of Colorado I have found 
it very safe to apply in the proportion of one pound to- 160 gal- 
lons the first time. The weaker mixture will do for the second 
or third applications. 
A great many worms may be caught and destroyed by tying 
bandages of burlap or other cheap cloth about the trunks of the 
trees, and removing these once in a week or ten days to kill the 
worms that collect beneath them. This work should begin about 
the last week in June, and be continued until fall. 
Where apples are kept in cellars, the windows and doors 
should have screens to prevent the escape of the moths that 
hatch in the cellars. Care should be taken not to take fruit bar- 
rels or boxes from storehouses or fruit dealers to the farm unless 
they have been thoroughly disinfected, as they often contain the 
larvm of the codling moth in great numbers. 
