106 FLORIDA FRUITS ORANGES. 



orange tree, and will now proceed to give the most effect- 

 ive weapons with which the former may be conquered. 



It is not enough to know the formulas of washes to be 

 applied to the tree, but also at what time the application 

 should be made to be effective. 



Let us take the long or mussel-scale insect first : the first 

 brood hatches from the middle of April to the first week in 

 May ; the second from the last of July to the middle of 

 August ; and the third and last from the last of Septem- 

 ber to the middle of October. 



The white scale has also three broods ; the first in April 

 and May ; the second from the middle of July to the first 

 of August ; and the third from the last of August to the 

 second week in September. 



He who waits until their protecting shield has been 

 reached may as well spare his labor, for his most powerful 

 washes will fail to penetrate it, or to disturb the insect. 

 Applied at the right time, however, as given above, just 

 after the eggs are hatched and the fly has left the scale 

 house, it is easily exterminated. 



When trees are very badly infested it is well to cut 

 off* and immediately burn the smaller limbs ; then, with a 

 fountain spray pump, drench the tree thoroughly with one 

 of the preparations given below. 



FOR SCALE INSECTS. 



No 1. 



Sal soda, 10 pounds, 



Hard soap, 5 " 



Water, 40 gallons. 



Dissolve the soap in a little boiling water, place in a 

 tight barrel, break up the soda in small pieces, add it ; fill 

 up the barrel with soft water, and stir the mixture till well 

 mixed. Keeps good indefinitely. Apply to the trunk 



