spruce gall aphid
noun
See under adelgid.
Also called
spruce gall adelgid.
Words nearby spruce gall aphid
spruance,
spruce,
spruce beer,
spruce beetle,
spruce budworm,
spruce gall aphid,
spruce grouse,
spruce pine,
spruce sawfly,
spruce up,
spruce-up
Definition for spruce gall aphid (2 of 2)
adelgid
[ uh-del-jid ]
/ əˈdɛl dʒɪd /
noun
any of various homopterous insects of the family Adelgidae, as Adelges abietis (spruce gall aphid) and Pineus pinifoliae (pine leaf aphid), that feed and form galls on conifers.