Popiar borer, S a p e r d a c a 1 c a r a t a Say 



A Piece of poplar showing work of this insect 



1 Work of young larva 



2 Adult 



3 Orifice in bark through which borings are expelled 



4 Gallery leading to orifice shown at 3 



5 Peculiar excelsiorlike borings made by larva 



6 Pupa in its chamber with one end stopped by excelsiorlike borings 

 26 Full grown larva 



Linden borer, Saperda vestita Say 

 B Portion of base of linden showing the work of this species 



7 Expanded gallery under bark made by larva 



8 Gallery in wood extending under bark to 7 



9 Sawdust packed in the larval gallery 



10 Gallery leading into heart of the tree 



C A piece of linden root with portion cut away to show operations of the 

 grub 



1 1 Larval galleries in cross-section 



12 Circular exit hole of the beetle ' 



13 Wound made by borer 



14 Prass ejected by larva 



I 5 Adult beetle on the bark 



16 A portion of the bark cut away showing the borer in its gallery 



Woodbine borer, Saperda p u n c t i c o 1 1 i s Say 

 D Piece of woodbine showing work of this species 



17 Larval gallery in section 



18 Pupa in its chamber showing orifice 



19 Larva and its work under the bark 

 24 Adult beetle 



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