988 JOURNAL OF THE ROYAL HORTICULTURAL SOCIETY. 



caterpillars of the Small Ermine moth (Hyponomeuta padella) and the 

 Eye-spotted Bud moth (Tmetoccra ocellana) (the latter is common in 

 America) and the Apple-hlossom weevil (Anthonomus pomorum) ; while 



Fig. 227. — Just right for Second Spraying. 



the Pith moth caterpillars (Laverna atra), by eating the centre of the 

 young twigs, cause the foliage and blossoms to wither. Later, as the 



Fig. 228.— Getting late for Second Spraying. 



fruit begins to form, the caterpillars of the Codlin moth (Carpocapsa 

 pomoneUa) enter it ; this is considered, with the St. Jose scale, the most 

 injurious insect to apples in America. The caterpillars of the Lackey 



