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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 not be able 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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