Scale insects 

 Maple phenacoccus, Phenacoccus acericola King 



1 Clusters of male cocoons on sugar maple bark 



2 Females and young on underside of leaf 



Black-banded lecanium, E u 1 e c a n i u m n i g r o f a s c i a t u m Perg. 



3 Badly infested soft maple twigs 



4 Young along sides of leaf veins 



10 Male very much enlarged 



1 1 Full grown female scales showing characteristic markings much enlarged 



12 Young very much enlarged 



Golden oak scale, Asterolecanium variolosum Ratz. 



5 Infested oak twig 



Tuliptree scale, Eu lecanium tulipiferae Cook 



6 Badly infested tulip branch 



8 Recently hatched young very much enlarged 



9 Young scales very much enlarged 



White flower cricket, Oecanthus sp. 



7 Oviposition scars 



a 360 



