The hemlock
woolly adelgid, a sap-sucking relative of the aphid, is a big threat to the species, and the shrubs may need to be treated with horticultural oils to prevent infestation.
The hemlock
woolly adelgid, an aphid-like insect native to Asia, now infests 43 New York counties.
A forestry technician works under a mature hemlock stand in New Germany State Park, Maryland, as part of a study to evaluate canopy penetration of an aerially applied fungal pathogen for the hemlock
woolly adelgid, which is killing hemlock in the eastern U.S.
I read with interest Nicolas Brulliard's article in the Spring issue of the magazine about the hemlock
woolly adelgid attacking eastern hemlock trees in Shenandoah National Park ["Saving Goliath"].
Currently, the hemlock
woolly adelgid is attacking hemlock stands across North America, and the most effective solution is a combination of the neonicotinoids imidacloprid and dinotefuran, Kreutzweiser said.
To wrap it up, discover how a fly could be the answer to our eastern hemlock's troubles in "It's a Bug-Eat-Bug World." The hemlock
woolly adelgid is responsible for the death of large numbers of hemlock trees from the Carolinas to New England, and it's causing lots of problems.
The
woolly adelgid has chewed its way up the crest of the Appalachian Mountains from the Carolinas to Canada.
Bugs like the hemlock
woolly adelgid, the southern pine beetle, and the tick are unable to survive extreme cold temperatures, although generally when an invasive species has established a new home, it probably won't disappear completely, despite the weather.
The reason being, is that the bitter cold kills the hemlock's adversary, the hemlock
woolly adelgid, a tiny insect pest.
Balsam
woolly adelgid, Adelges piceae (Ratzeburg) (Hemiptera: Adelgidae), an insect native to the fir forests of central Europe, was introduced to the United States around 1900 and is considered a pest of native North American true firs [1].
The name of this bug is the hemlock
woolly adelgid. Hailing from southeast Asia, it has made several entries into North America.