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MASS. EXPERIMENT STATION BULLETIN 353 



Birch Leaf-Mining Sawfly, Phylloloma ncnwrala 



A. Adult sawflies. Lower one in normal resting position. 4X. 



B. Egg. 4X. 



C. Eggs in leaf teeth. 4X. 



D. Eggs in leaf. Actual size. 



E. Mines in leaf, showing best time to spray. Actual size. 



F. Last stage larva. 2 X . 



G. Pupa. 2X. 



H. Hibernacula in mined leaf. Actual size. 

 Courtesy, Maine Forest Service. 



