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Top Ten Tree Problems
- Lace Bug: Lace bugs target broad-leaf evergreens such as andromeda, azalea, and rhododendron.
Early detection is the key to getting rid of an infestation. Look for yellow-silver stippling on the topsides of leaves.
- Mites:
Mites pose a serious threat a wide variety of plants and can seriously impact the visual appearance of a plant. Mites favor
warm, dry climates and are an extremely serious issue for many homeowners.
- Tent Caterpillars: Caterpillars
can weaken many trees and shrubs, increasing the chance of a secondary infestation. Look for silken, yellow cocoons.
- Borers:
Borers are attracted to unhealthy trees, burrowing in and laying eggs inside the trunk. The best defense against borers is
to keep your trees healthy and unstressed.
- Hemlock Woolly Adelgid: One of the most common pests,
these insects can cause the death of a tree if left untreated. They leave behind a telltale white wax and target primarily
older trees.
- Scale Insects: These insects target primarily hardwoods and conifers. Some signs of
an infestation include abnormal leaf and shoot growth, yellow or red leaves, and branch gouting.
- Anthracnose
Disease: This fungal disease affects deciduous and flowering trees. Look for a spotting of foliage in spring and
summer.
- Winter Injury: Even during mild winters, evergreens can lose moisture and be unable to replenish
it. Thus, make sure your evergreens have sufficient soil moisture.
- Weevil Insects: Weevils are commonly
found on flowers and fruits. Look for notches around the edge of leaves.
- Aphid Insects: Aphids
are small and pearl shaped. An infestation can cause yellow discoloration and defoliation.
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