What is the Asian Longhorned Beetle? The Asian Longhorned Beetle (Anoplophora glabripennis) is a large wood-boring beetle native to Asia. It is known for its distinctive long antennae, which can be as long as the beetle’s body. The beetle has a shiny black body with white spots, making it easily recognizable. The Asian Longhorned Beetle … Read more
Iron Chlorosis is a common issue that affects trees and plants, particularly those grown in alkaline soils. This condition occurs when a tree is unable to absorb enough iron from the soil, leading to a deficiency in this essential nutrient. In this glossary article, we will explore the symptoms, causes, prevention, treatment, and potential consequences … Read more
What are borers? Borers are a type of insect that lay their eggs on or inside trees, where the larvae then tunnel into the wood to feed and grow. These insects can cause significant damage to trees by weakening their structure and disrupting their ability to transport water and nutrients. Borers are a common pest … Read more
What is Plane Tree Wilt? Plane Tree Wilt, also known as Plane Tree Decline, is a serious vascular disease that affects plane trees, specifically the London Plane tree (Platanus x acerifolia). This disease is caused by a fungus called Ceratocystis fimbriata, which infects the tree’s vascular system, leading to wilting, decline, and ultimately death of … Read more
What is Cedar Rust? Cedar Rust is a fungal disease that affects cedar trees and other plants in the cypress family. It is caused by various species of the fungus Gymnosporangium. Cedar Rust is a common problem in areas where cedar trees are prevalent, especially in regions with high humidity and frequent rainfall. The fungus … Read more
What is Leaf Curl? Leaf curl is a common plant disease that affects the leaves of trees, causing them to become distorted, curled, and discolored. This condition is typically caused by a fungal infection or environmental stressors, such as extreme temperatures or lack of water. Leaf curl can weaken the affected tree and make it … Read more
What is a leaf miner? A leaf miner is a type of insect larvae that feeds on the tissue inside plant leaves, creating distinctive tunnels or mines. These pests belong to various insect families, including moths, flies, beetles, and sawflies. Leaf miners are commonly found on a wide range of plants, including trees, shrubs, vegetables, … Read more
What is Dutch Elm Disease? Dutch Elm Disease (DED) is a devastating fungal disease that affects elm trees. It is caused by the fungus Ophiostoma ulmi, which is spread by elm bark beetles. DED was first identified in the Netherlands in the early 20th century and has since spread to many parts of the world, … Read more
What is the Lilac/Ash Borer? The Lilac/Ash Borer, also known as the Podosesia syringae, is a type of wood-boring beetle that primarily targets lilac and ash trees. These destructive pests are native to North America and can cause significant damage to trees if left untreated. The adult borers are metallic blue-green in color and can … Read more
What is Nectria Canker? Nectria canker, also known as Nectria twig blight, is a fungal disease that affects a wide range of woody plants, including trees, shrubs, and vines. The disease is caused by various species of the Nectria genus, with Nectria cinnabarina being one of the most common culprits. Nectria canker is characterized by … Read more