6 Farmers’ Bulletin 1257. 
fruit, arsenate of lead at the rate of 14 pounds of the powder to 50 
gallons of spray should be added, thus making a combination treat- 
ment for blight and beetle. The Bot deaux mixture is generally used 
at a strode of 3-4-50. After the Bordeaux mixture is made and 
is in the tank the arsenate is added. It is essential, where powdered 
arsenate of lead is used, that the spraying outfit be fitted with a good 
agitator, as the arsenical has a tendency to settle rapidly to the bot- 
tom of the tank, whereas it should be kept in suspension while spray- 
ric, 38.—The blossom anomala: Spraying mango trees in bloom against the adult beetles. 
ing. The spray should be directed to the blossom spikes particu- 
larly (fig. 3), as the beetles do not attack the dormant foliage and 
very little if any new growth is present on the mango at the time of 
blossoming. 
THE RED SPIDER. 
The red spider? which seriously attacks the avocado in Florida 
also attacks the mango during the dry winter months. It is similar 
in shape and appearance to other red spiders which attack various 
*Tetranychus yothersi McG, 
