You are seeing Ask web results for adelgid.
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Adelges tsugae, the hemlock woolly adelgid, is a fluid-feeding insect that feeds on hemlock trees throughout eastern North America, including Pennsylvania. The egg sacs of these insects look like the tips of cotton swabs clinging to the undersides of hemlock branches.
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The National Forests in North Carolina has published an environmental assessment evaluating how best to protect our native hemlocks from being killed by the hemlock woolly adelgid. Copies can be downloaded from National Forests in North Carolina.
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We are fortunate that we have available to us a number of means of treating our hemlocks—killing the adelgids that infest them to prevent the damage and tree death that the hemlock woolly adelgid can cause in just three to five years.
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Adelgidae - Wikipedia, the free encyclopedia
The Adelgidae is a small family of the Hemiptera closely related to the aphids, and often traditionally included in the Aphidoidea with the Phylloxeridae. Adelgids are often known as "woolly conifer...
en.wikipedia.org/wiki/Adelgidae |
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The hemlock woolly adelgid (HWA) Adelges tsugae was first described in western North America in 1924 and first reported in the eastern United States in 1951 near Richmond, VA.
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Native to Asia, the hemlock woolly adelgid (Adelges tsugae) is a small, aphidlike insect that threatens the health and sustainability of eastern hemlock (Tsuga canadensis) and Carolina hemlock (Tsuga caroliniana) in the Eastern United States.
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Insects and Mites - Hemlock Woolly Adelgid: It attacks both the Carolina and Eastern hemlock and is capable of severely weakening and killing its host plants. ... Piercing & Sucking Insects > Hemlock Woolly Adelgid...
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Insects and Mites - Adelgids: Adelgids are small, aphid-like insects that are always associated with conifers. ... Many adelgid species have alternate host plants where specific life stages develop. For the gall-inducing species, the galls will only be found on one of the two alternate hosts. Their potential damage can...
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Adelgid infestations are easily recognizable by the appearance of tiny “cotton balls” at the base of hemlock needles. ... Unfortunately, they are under attack from a non-native insect called the hemlock woolly adelgid. Without successful intervention, the hemlock woolly adelgid is likely to kill most of the hemlock trees...
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Introduced into the Pacific Northwest in the 1920's, the hemlock wooly adelgid (Adelges tsugae) was discovered in Virginia in the early 1950's. Since that time, the insect has spread throughout several northeastern states and become a serious threat to one of its major host plants, the eastern hemlock (Tsuga canadensis).
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