NATURAL HISTORY, TORONTO REGION 



Tenthredinidae (Saw-flies) (Continued). 

 Euura s-gemina, Walsh (C). 



" s-ovum, Walsh (C). 

 Pontania crassicornis, Rohwer (C). 

 " desmodioides, Walsh (C). 

 " hyalina, Norton (C). 

 lucidae, Rohwer (C). 

 " pisum, Walsh (C). 

 " ponmm, Walsh (C). 

 Pteronidea ribesi, Scop. 

 Nematus erichsonii, Hartig (Walker). 

 Arge scapularis, King. 



Siricidae (Horn-tails). 



Tremex columba, Linn. (Walker). 



Superfamily CYNIPOIDEA. 



Cynipidae (GaU-flies, etc.). 



Synergus quercus-lanae, Fitch (B). 

 " lignicola, O. S. (B). 

 " oneratus, Harr. (B). 

 Ceroptres ficus, Fitch (B). 

 " petiolicola, O. S. (B) 

 " tuber, Fitch (B). 

 " frondosae, Ashm. (B). 

 Philonyx erinacei, Beut. ,(C). 



hirta, Bass. (C). 

 " nigra, Gillette (C). 

 Biorhiza forticornis, Walsh (C) (B). 

 Neuroterus batatus, Fitch (C) (B). 

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