Insect 

 Fletcher Scale 

 Japanese Beetle 



Maple Gall Mites 

 Pine Needle Scale 

 White Fly 

 Woolly Aphid 

 Lacebug 

 Mealybug 

 Gypsy Moth 

 Thrips 



Birch Leaf Mimer 

 Oyster Shell Scale 

 Pine Bark Aphid 

 Taxus Weevil 

 Leaf Hoppers 

 Willow Leaf Beetle 

 Holly Leaf Mimer 



DISEASES 



INSECTS FOUND IN MASSACHUSETTS NURSERIES 1969 (Con't.) 



No. Nurseries 

 Host Plant 



Yew 



Willow, Mt. Ash, Rose 

 Hawthorne, Fruit Trees 



Maple 



Pine 



Annuals, Mums 



Hawthorne, Apple, Mt. Ash 



Andromeda, Rhododendron 



Yew 



White Oak, Swamp Maple 



Mum, Day Lily 



Birch 



Lilac 



Pine 



Yew 



Mapl e , Euonymus 



V/illow 



American Holly 



FOUND IN MASSACHUSETTS NURSERIES 1969 



Diseas e 



Powdery Mildew 

 Leaf Spots 

 Blister Rust 

 Fire Blight 

 Cedar Apple Rust 



Host Plant 

 Lilac , Euonymus 

 Dogwood, Purple Plum, Roses 

 White Pine 

 Mt. Ash 

 Fl. Crabs 



Infested 

 9 

 56 



17 



3 

 24 

 11 

 53 

 26 

 11 



2 

 16 

 14 



9 



1 



10 



8 



1 



'No. Nurseries 

 Infested 



6 

 5 

 2 



1 

 1 



- k 



