Apr 24, 2024 · One of the most devastating diseases affecting eastern hemlocks is the hemlock woolly adelgid. These tiny, aphid-like insects feed on the sap of hemlock trees, causing …

Nov 21, 2023 · Informational table showing disease name, symptoms, pathogen/cause, and management of Hemlock diseases. Table. Hemlock Diseases. Slightly sunken cankers girdle …

Jun 22, 2017 · Eastern hemlock needles can be distinguished from fir needles by their shape: they are slightly wider at the base and taper to a rounded tip with a dull point, while fir and …

Apr 27, 2025 · Learn about the notorious hemlock woolly adelgid, common pests like spider mites, and diseases impacting these majestic trees. Gain insights into essential management …

Since 2006, a tip blight on eastern hemlocks has been observed across a wide area in central and southern Maine. The tip blight apparently affects only the tips of branches, seldom killing more …

Hemlock trees battle a variety of other insect pests, and can be beleaguered by diseases – here are a few of the more formidable. Elongate hemlock scale, a tiny insect with an oval hard …

May 18, 2021 · To make matters worse, some trees are infested by both insects. Left untreated, hemlock trees can succumb to these pests in less than 10 years. In many parts of …

Sep 22, 2012 · Wood decay is often an invisible disease caused by several types of hemlock fungus that invade and rot the interior wood of Eastern hemlock trunks and limbs. Look for …

Sep 6, 2022 · Hemlock trees tend to be extremely hardy, and few diseases or infections can bring a hemlock tree down. However, there are a few types of diseases of hemlock trees that can …

Jan 9, 2024 · EHS steals nutrients from their host, causing serious needle decay that leaves the tree vulnerable to other pests. HWA similarly leaches from the tree, it sits at the base of …