In zoology|lang=en terms the difference between lymantriid and lymantrid
is that lymantriid is (zoology) any of the moth family lymantriidae while lymantrid is (zoology) any member of the lymantridae.
As nouns the difference between lymantriid and lymantrid
is that lymantriid is (zoology) any of the moth family lymantriidae while lymantrid is (zoology) any member of the lymantridae.