| Chief Sign or Symptom |
Probable Pest or Disease |
Described Under |
Leaves mined between two surfaces
(cont.)
Light blotches.
Blisters in leaves, orange flies.
Tips white or brown. |
Holly Leaf Miner (Fig. 32B)
Verbena (Fig. 33C)
Boxwood Leaf Miner (Fig. 32A)
Arborvitae Leaf Miner (Fig. 32C) |
|
Loss of color in foliage
Leaves stippled
yellow or grayish on upper surface,
brown var nish underneath. |
Azalea Lace Bug (Fig. 18),
Rhododen- dron (Fig. 17)
Sycamore (Fig. 18),
Oak,
Hawthorn Lace Bug |
Bugs |
White stippled pattern on uppersurface,
wedge-shaped,
quick-hopping
insects
underneath;
margins sometimes rolled,
brown. |
Leafhoppers (Fig.31)
Potato Leafhopper |
LEAFHOPPERS |
| Upper surface faintly stippled, flat, scale-like nymphs under- side; tiny white ""moths"" fly out when disturbed. |
Whiteflies (Fig. 64) |
Whiteflies |
Leaves gray, yellow, or reddish,
mealy underneath with blackspecks of excrement;
yellow,green, or red mites. |
Red Spiders (Fig.38)
Two-spotted
MiteSouthern
Red Mite |
Mites |
Spruce gray, arborvitae,
juniper brown,
hemlock white,
with webs between needles. |
Spruce Mite (Figs. 38, 39) |
Mites |
| Boxwood with faint scratches. |
Boxwood Mite |
Mites |
| Fruit-tree foliage bronzy, dusty. |
European Red Mite, Citrus Mites |
Mites |
GARDEN ENEMIES
