18 



STATE HORTICULTURAL COMMISSION. 



during the winter months in the soft bark of the crotch of the 

 tree, and can be killed by the use of the lime-sulphur-salt 

 solution, or by a good kerosene emulsion. Care should be 

 taken to select sunny weather and spraying should be put off 

 as late as possible, preferably just before the swelling of the 

 buds. Either spray will penetrate the burrows and kill the 

 small worm. 



CODLING-MOTH ( Carpocapsa pomonella. ) 



The larva? of the codling-moth, or worm of the apple, pos- 

 sibly do as much 

 damage to the ap- 

 ple and pear crops 

 in this State as 

 anything which 

 attacks fruit trees. 

 Thorough spray- 

 \W inti;. dean culture, 

 and collecting all 

 fallen fruit go far 

 toward coping 

 with the pest. The 

 newly introduced 

 parasite, Calliephisetes messer, Grav., has already taken hold 

 of this pest in 

 several sections 

 and may prove 

 a great aid in 

 keeping it in 

 check in the 

 future. During 

 the present sea- 

 son the arse- 

 nate of lead 

 seems to be the 

 leading spray 

 material in use, 

 owing to its ad- 

 hesive properties. This material in a prepared form and 

 ready for use simply by the addition of water in sufficient 

 quantity, is on the market in different sized packages. A 



FIG. 18. Codling-Moth (Carpocapsa pomonella), 

 larvae in apple. 



^^'ffX^ 





FIG. 19. Codling-Moth (Carpocapsa iiomonella). 

 Showing variations. All natural size. 



