Definition of woolly adelgid in English:
Any of several small aphidlike insects that feed on conifers, especially hemlocks, spruces, and firs. By sucking the sap from young twigs, the insect retards or prevents tree growth and causes needles to discolor and drop prematurely.
- Superfamily Aphidoidea, family Adelgidae
- Asana is another spray that controls the balsam woolly adelgid, a European insect that has devastated Fraser firs in forest stands, flattening their tops, swelling their joints and hardening their wood.
- Hemlock trees more than four centuries old still live on steep slopes from Alabama to Maine, although they are now facing destruction by the hemlock woolly adelgid, a pest introduced from Asia forty years ago.
- Over the past thirty years, these unique forests have been decimated by the balsam woolly adelgid, an aphid-like insect introduced from Europe.
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