APPLE INSECTS 



27 



the l)urrows turns brown, decay ensues and the apple is ruined. 

 Tlie parent moth (Fig. 23) has a spread of nearly J inch ; the 

 front wings are iridescent purplish gray mottled with brownish ; 

 on the front margin is a row of minute white and brown dots 

 and a larger oblique white mark occurs near the apex ; on the 

 hind margin is a broad creamy-white band interrupted near the 

 middle by a brownish spot. The moths appear in May and 

 June. The eggs are unknown. 



The young larvse enter the fruit at the side and on becoming 

 full-grown leave the apple and seek shelter under the bark on 

 the trunk or under leaves on the ground. The winter is passed 



Fig. 23. 



The apple fruit-miner moth (X 7.j). 



in the pupal state in white cocoons, the outer layers of which ar(; 

 loose and have the threads arranged so as to form a beautiful 

 openwork pattern. 



Remedial measures. 



Satisfactory methods of control have not yet been devised, but 

 several thorough sprayings with arsenate of lead, so applied 

 as to keep the fruit coatc^l with the poison, would doubtless do 

 much to lessen the injury. 



References 



Kept. Exp. Farms Ottawa 1896, pp. 258-262, 1897. 

 Kept. Exp. Farms Ottawa 1897, pp. 201-202, 1898. 

 Reh, Prakt. Ratg. Obst- und Gartenbau, XXII, pp. 452, 453. 



1907. 



