Sugar maple borer, PI a c; i o n o t u s specious Say 



1 I'lace where egg was laid. 



Ill Another more than normally discolored and showin^^ excrement or 

 borings thnnvn out 1)\ horer 



2 Borer or grub in September from egg laid the same season 



3 Nearly full grown borer 



4 Adult or beetle 



5 Hole through which the beetle escaped from the trunk 



6 Sawdust or borings packed in burrow 



Maple and oak twig pruner, I" 1 a ]> h i d i d u villosuin Fabr. 



7 Grub or borer in its burrow, a jjorlion of the twig being cut a\\a\" to 



show its work. 

 7<T Small twig with onl)- a thin shell of bark, the wood being nearly all 

 eaten 



8 Pupa in burrow. The base of both twigs representeil has been nearly 



eaten off by the larva 



9 Adult or beetle 



Cottony maple scale, V u 1 \- i n a r i a i n n u m c r a b i 1 i s ' Rathv. 

 lo .Active or n'cenlly halcheil Nouiig 



I I .\dult Icmalcs, many eggs can be found in the woolly masses 

 12 Leaf with nian\- \oung scales on its underside 



a 336 



