Sugar maple borer, PI agio not us specious Say 



1 Place where egg was laid. 



Ill Another more than normally discolored and showing excrement or 

 borings thrown out by borer 



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, E 1 a p li i cl i u n \- i 1 1 o s u m Fabr. 



7 Grub or borer in its burrow, a portion of the twig being cut away to 



show its work. 

 ya Small twig with only a thin shell of bark, the wood being nearly all 

 eaten 



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



eaten off by the larva 



9 Adult or beetle 



Cottony maple scale, Pulvinaria i n n u m e ra b i I i s Rathv. 



10 Active or recently hatched young 



1 1 Adult females, many eggs can be found in the woolly masses 



12 Leaf with many young scales on its underside 



a 336 



