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 
Eulecanium nigrofasciatum Perg. 
3 Badly infested soft maple twigs 
4 Young along sides of leaf veins 
10 Male, enlarged 
11 Full grown female scales showing characteristic markings, enlarged 
12 Young, enlarged 
Golden oak scale 
Asterolecanium variolosum Ratz. 
5 Infested oak twig 
Tulip tree scale 
Eulecanium tulipiferae Cook 
6 Badly infested tulip branch 
8 Recently hatched young, enlarged 
9 Young scales, enlarged 
7 Oviposition scars 
White flower cricket 
Oecanthus sp. 
