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ANNUAL REPORT OF THE 



Off. Doc. 



throughout the Eastern and Central United States; therefore, a con- 

 siderable section of the East was covered before the existence of the 

 insect there was even suspected. 



The first case was found in Virginia, in 1893, and in 1894 the facts 

 concerning the distribution of the pest were ascertained and pub- 

 lished. 



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Fig. 1. — San Jose Scale; a, on twig, natiirul size; /), bark of 

 same much enlarged, showing scales of different ages and also 

 the crawling young. (From Howatd and Mariatt, Bull, 3, N. S., 

 Div. Ent. U. S. Dept. Agr.) 



It is probable that one if not two nurseries in another State as- 

 sisted in spreading the scale through other California stock, and 

 it is certain that some scaly trees were received directly from Japan. 

 But nurseries are chietlv responsible for spreading the insect over 

 an area that natural methods of spread could not have covered in a 

 dozen years. Even now, with all our guards and nursery contiol, 

 this distribution continues to some extent. 



