BLOG How to Identify and Treat Common Tree Pests and Diseases Oct 16, 2024

As a reputable tree service company, Lance Tree Service is committed to providing our customers with information and tips to help them care for their trees. One important aspect of tree care is being able to identify and treat common tree pests and diseases. By being proactive in detecting and addressing these issues, you can help ensure the health and longevity of your trees.

Common Tree Pests:

1. Aphids: These small insects feed on the sap of trees, causing leaves to curl and turn yellow. To control aphids, you can spray your trees with insecticidal soap or introduce natural predators such as ladybugs.

2. Bagworms: These caterpillars create spindle-shaped bags on branches and feed on tree foliage. Handpicking bagworms and destroying the bags is an effective way to control their population.

3. Emerald Ash Borer: This invasive beetle attacks ash trees and can quickly kill them if left untreated. Signs of infestation include D-shaped exit holes and canopy dieback. If you suspect your ash tree has been infested, contact a professional tree service company for treatment options.

4. Scale Insects: Scale insects appear as small, waxy bumps on tree branches and leaves. They feed on tree sap and can weaken trees over time. Pruning infested branches and applying horticultural oil can help control scale infestations.

Common Tree Diseases:

1. Anthracnose: This fungal disease affects a variety of tree species, causing dark lesions on leaves and twig dieback. To manage anthracnose, prune infected branches and improve air circulation around the tree.

2. Powdery Mildew: Powdery mildew appears as a white, powdery substance on tree leaves. Keeping trees properly watered and providing adequate sunlight can help prevent and control powdery mildew.

3. Root Rot: Root rot is a serious disease that affects the roots of trees, causing them to become weak and decay. Symptoms include wilting leaves and stunted growth. To prevent root rot, avoid overwatering and improve soil drainage.

4. Fire Blight: Fire blight is a bacterial disease that affects members of the rose family, including apple and pear trees. Infected trees exhibit blackened, scorched-looking branches. Pruning affected branches and applying copper-based fungicides can help manage fire blight.

It's important to regularly inspect your trees for signs of pests and diseases so that you can take appropriate action to address them. If you're unsure about how to identify or treat a tree issue, don't hesitate to reach out to the experts at Lance Tree Service. Our team of arborists is trained to diagnose and treat a wide range of tree problems to keep your trees healthy and thriving. Remember, early detection and prompt treatment are key to preserving the beauty and vitality of your trees.