LESSONS 10-11 
SHADE TREE INSECTS 
PARTS 1-2 
HOST LIST 
In the following host list the trees are given in alphabetical 
order according to their common names. 
The insects affecting each tree are indicated by their respec- 
tive members as given in Lessons 10 and 11. 
Apple—1, 5, 9, 10, 11, 12, 18, 14, 15, 25, 26, 27, 28, 29, 30, 31, 
32, 33, 35, 36, 44, 48, 58, 61, 63, 64, 67. 
Apricot—33, 68. 
Ash—2, 25, 26, 27, 28, 32, 67, 68. 
Arbor vitae—33. 
Beech—1, 12, 17, 25, 28, 31, 32, 35, 44, 68. 
Birch—1, 12, 16, 25, 27, 28, 31, 34, 44, 47, 63, 68. 
Basswood—See linden. 
Box elder—15, 25, 27, 29, 32, 36, 58. 
Balm of Gilead—11, 20, 25, 31. 
Catalpa—25, 63. 
Cherries—15, 25, 26, 27, 28, 30, 32, 48, 63, 68. 
Cottonwood—2, 10, 24, 61, 63, 64. 
Chestnut—2, 12, 15, 17, 29, 31, 63, 67, 68. 
Crab-apple—5, 25, 26, 44, 48. 
Dogwood—1, 68, 68. 
Elm—1, 6, 9, 13, 19, 21, 23, 25, 28, 29, 30, 31, 32, 33, 34, 41, 43, 
45, 50, 55, 57, 68, 65, 68. 
American—23, 25, 28, 44, 50, 53, 54, 58, 
English—23, 25. 
Scotch—23, 25. 
Fir—25, 27. 
Ginkgo—25. 
Gum—1, 25, 28. 
Hackberry—1, 30, 58. 
Hawthorn—5, 35, 44, 64. 
Hemlock—25, 33. 
Hickory—1, 8, 12, 13, 15, 18, 27, 28, 29, 31, 32, 36, 52, 68. 
Shag-bark—25. 
