408 OHIO EXPERIMENT STATION: BULLETIN 332 



PLATE XXXIX 



Fig. 1. — Leafy- retreats of the larvae of the poplar leaf tyer. "iThese re- 

 treats are very easily mistaken for those of the brown tail moth. 



Fig. 2. — The larvae of Abbott's pine sawfly (Lophyrus abbotti), about 

 natural size. 



Fig. 3. — A small tree of the short leaf pine at f^leming, Ohio, defoliated b> 

 the larvae of Abbott's pine sawfly. 



