When the underside of the leaf is viewed through a magnifying glass, one will observe loose webbing and mites moving around the whole area of the leaf.
(the underside of the leaf; is viewed; ) (one; will observe; loose webbing and mites; T:When the underside of the leaf is viewed through a magnifying glass) (mites; moving; around the whole area of the leaf)
the underside of the leaf one mites
is viewed will observe moving
loose webbing and mites T:When the underside of the leaf is viewed through a magnifying glass
around the whole area of the leaf