164 PAPEKS BY DK. B. CLEMENS. 



JUNE. 



Lithocolletis salicifoliella. Middle to end. Leaves of yellow 



willow. 



Nepticula villosella. Latter part. Leaves of blackberry. 

 Lithocolletis juglandiella. Early. Leaves of black walnut. 



JULY. 



Catastega Aceriella. Early. Leaves of red maple. 

 Nepticula corylifoliella. Latter part, to middle of August. 



Leaves of hazelnut. 

 ostry&foliella. Same time. Leaves of iron-wood, 



O. Virginica. 

 Platanella. Early. Leaves of button-wood, 



P. occidentalis. 



saginella. Early. Leaves of oaks. 

 cratcegifoliella. Latter part. Leaves of dwarf- 

 thorn, C. parvifolia. 

 juglandifoliella. Latter part, to middle of August. 



Leaves of black walnut. 

 caryafoliella. Middle to August. Leaves of 



hickory. 

 Aspidisca Saliciella. Early to middle. Leaves of yellow 



willow. 



Nepticula villosella. Early to middle. Leaves of black- 

 berry. 

 ? prunifoliella. Leaves of 



wild cherry. 



Amelanchierella. Early. Leaves of service-berry, 

 A. Canadensis. 



AUGUST. 



Ornix quadripunctella. Early. Leaves of service-berry, 



A. Canadensis. 

 Lithocolletis juglandiella. About middle of the month. 



Leaves of black walnut. 

 Catastega timidella. Latter part. On oaks. 





