Bronze Birch Borer is another insect that had not been seen commonly in Calgary but has shown up in greater numbers over the past few years due to the added stress that erratic weather has caused the trees in Calgary. The adult female bronze birch borer is an elongate beetle with a metallic greenish black [...]
Birch leafminer is one of the most common leaf problems that distress homeowners. This insect was not a major issue for many years but has definitely shown up in larger numbers recently. Birch leafminers are the caterpillar-like larvae of at least 3 or 4 species of tiny sawflies that mine birch leaves. Sawflies are named [...]
Aphids like to feed on the soft growth of almost any plant. This includes most trees, though in Calgary Birch (Betula), Willow (Salix), Maple (Acer) and Mayday (Prunus padus) seem to be most affected. Aphids are able to reproduce without males which can lead to huge populations some years. Heavy populations can be tough to [...]
This insect is becoming a more serious pest to Ash trees in Calgary. Hot weather and a lack of water can cause stress for Green Ash and make them more susceptible to infestation. The Western Ash Bark Beetle lays its eggs in twigs and branches. Larvae develop and start galleries in the stem. As feeding [...]
Ash Leaf Cone Roller had become more established in Calgary over the previous decade but hasn’t been as bad the past few years. It mainly affects Green Ash trees (Fraxinus pennsylvanica). While the insect is in the caterpillar stage the insect rolls the leaf into a cone shape, causing the objectionable look of the tree. [...]
A tree ring creates a defined border around the base of a tree and can really help protect it from physical damage as well as ensure that the root ball of a new tree has access to the water and nutrients we supply it with. The way they are designed & constructed can affect the [...]
