Birch Leafminer Damage

Birch leafminers Fenusa pusilla (Lepeletier) are sawflies, which are closely related to bees and wasps. They are among the most common insect pests affecting Birch trees (Betula spp.) in North America. Areas inside the leaves are consumed by the larvae affecting the leaves' ability to produce food. Yearly browning of birch leaves are noticed in mid-July and August, but the leafminers have

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Plant Health Care Program

Insects and diseases can threaten tree health. As soon as you notice any abnormality in your tree’s appearance, you should begin a careful examination of the problem. By identifying the specific symptoms of damage and understanding their causes, you may be able to diagnose the problem and select an appropriate treatment. Stress Basic elements that influence plant health include sufficient

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Bagworms

It looks like the very destructive Bagworm is going to be around this summer.  Spring is the perfect time to make a plan for this pest and protect your at-risk trees. Below is an excerpt from a Penn St. article on the Bagworms and their destructive activities in Southern Pennsylvania. (Full Article) The Bagworm (Thyridopteryx ephemeraeformis) is a perennial insect pest

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