woolly adelgid vs adelgid

woolly adelgid and adelgid both are nouns.

Word	Noun	Adjective	Verb	Adverb
woolly adelgid	Yes	No	No	No
adelgid	Yes	No	No	No

As nouns, adelgid is a hypernym of woolly adelgid; that is, adelgid is a word with a broader meaning than woolly adelgid:

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

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