Trees infested by pine beetles undergo noticeable changes as the infestation progresses. These destructive pests, including the Mountain Pine Beetle, bore into the tree’s bark to lay eggs, cutting off the tree’s ability to transport water and nutrients. Without intervention, an infested tree will gradually weaken and die. Early Signs of Pine Beetle Infestation Small […]
Exploring Alberta’s Forest Insects: Beneficial Species and Common Pests Alberta’s forested regions are home to an incredible range of insect life. From tiny pollinators that enable plant reproduction to large beetles that pose a threat to valuable conifers, insects play a diverse set of roles in these ecosystems. Understanding which are beneficial and which can […]
A tree canker is a localized dead area on the bark, branches, or stems of a tree, often caused by fungi or bacteria. These cankers can appear as sunken, discoloured, or cracked areas and can girdle branches or trunks, disrupting the flow of nutrients and water. This can weaken or kill branches and, in severe […]
Understanding the Differences Between Pine Bugs and Spruce Bugs When people talk about tree pests, they often hear terms like “pine bug” and “spruce bug” tossed around interchangeably. While there can be some overlap in how these insects behave, pine bugs and spruce bugs actually belong to different groups of pests. Each one prefers to […]
Mites on trees are incredibly tiny, often requiring a magnifying glass to see clearly. They can appear as little dots moving on the leaves, sometimes with visible webbing, especially in the case of Spider Mites. Infested leaves might look dusty or have tiny spots where the mites have been feeding. Over time, heavily infested leaves […]
In Alberta, the little green bugs you’re likely encountering are Aphids. These small, pear-shaped insects are common in gardens and on trees, sucking sap from the plants and sometimes transmitting diseases. They come in various colours, but the green ones are most commonly seen. Aphids can reproduce rapidly, leading to large infestations that weaken plants […]
A Spruce Beetle is a dark brown to black beetle, about 4 to 7 mm long, making it relatively small but capable of causing significant damage to spruce trees. They bore into the bark to lay eggs, with the larvae feeding on the inner wood. This activity disrupts the tree’s ability to transport nutrients and […]
There are various pests and diseases that commonly afflict trees. The emerald ash borer is an invasive beetle that attacks ash trees, causing damage to the tree’s transport system and leading to its demise. Dutch elm disease, caused by a fungus, affects elm trees and is transmitted by bark beetles, resulting in wilting and death. […]
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