PLATE XI. 
1.4) 
Galls caused by ANpricus Inruator: a. Early spring condition. B. Late 
spring condition. c. Summer condition. 1 and 2. Longitudinal sections 
showing cylindrical cavity, arrow indicating the larval cell. 
A and B nearly nat. size. c half nat. size. 
Adlard 4: Son, Impr. 
