In zoology|lang=en terms the difference between aphidiid and ophidiid
is that aphidiid is (zoology) any member of the aphidiidae while ophidiid is (zoology) any member of the ophidiidae.
As nouns the difference between aphidiid and ophidiid
is that aphidiid is (zoology) any member of the aphidiidae while ophidiid is (zoology) any member of the ophidiidae.