woolly adelgid

woolly a·del·gid  (-dljd)

n.

Any of various aphidlike insects of the family Adelgidae that secrete a waxy or woolly covering and are destructive to conifers, especially hemlocks, spruces, and firs.

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[From New Latin Adelgidae, family name, from Adelgs, type genus : perhaps Greek adlos, hidden (a-, not; see a-¹ + dlos, clear, visible; see dyeu- in Indo-European roots) + -gs, of unknown origin.]

Thesaurus

Noun

1.

woolly adelgid - an insect that feeds on hemlocks; its egg sacs are small fuzzy white balls like artificial snow on a Christmas tree adelgid - any of various insects that feed and form galls on conifers