INSECTS 



233 



fully fed, it crawls out and lets itself down co the ground by 

 a silken thread. Later a second brood may appear, to attack 

 the fall and winter varieties of apples, the eggs being laid 

 on the outside of the half -grown fruits. 



The best remedies for the apple worm are poison sprays. 

 These may be applied along with other sprays to prevent 

 such diseases as apple-scab and apple-rust. Three pounds 

 of arsenate of lead are mixed with fifty gallons of the other 



FIG. 132. Codling-moth and its work: a, the injury done; b, place where 

 was laid; e, larva; d, pupa; i cocoon; /, g adults. (From Smith's "Insect 

 s and Enemies.") 



spray material and sprayed on the tree in the form of a fine 

 mist just after the petals fall. The other spray material 

 may be either lime-sulfur or Bordeaux mixture. The calyx 

 cup of the apple should be open when the poison is applied. 

 This condition is seen in Fig. 150 C, and the calyx after it has 

 closed is shown in Fig. 150 D. 



The Curculio of Plums and Peaches. This is the insect 

 which makes certain stone-fruits wormy. The peach, plum, 

 cherry, apricot, and others are often attacked by it. This 

 insect is a true beetle, but it has the jaws at the end of a 



