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MASS. EXPERIMENT STATION BULLETIN 353 



Orange-Striped Oak Worm 



1. Egg mass on under side of oak leaf. 



2. Egg shells on partly eaten leaf. 



3. Part of leaf skeletonized by young caterpillars. 



4. Side view of nearly full-grown caterpillar. 



5. Recently hatched caterpillars feeding side by side. 



6. Male moth. 



7. Female moth depositing eggs. 



All about actual size. Courtesy, N. Y. State Museum, Albany, N. Y. 



Orange-Striped Oak Worm 



Anisota senatoria S. & A. 



This native insect has a wide distribution in this country. In the East it is 

 generally distributed from Canada to Georgia, it occurs in most of the North 

 Central States, and has been reported from California. It is said to be more 

 abundant in the northern part of the United States than in the southern. The 

 caterpillars prefer the foliage of oak but also attack maple, hickory, hazelnut, 

 and some other trees. Forest trees usually suffer the most damage, sometimes 

 being completely defoliated; but trees in parks and along town and city streets are 



