Chicago : Engineering and Contracting Pub. Co. · leaf 172
ly devours the leaves of abranch, but never eats the foliage of the wholetree. They are found on elms and willows. For the above two pests arsenate of lead,used as for the elm beetle, is employed, andone good spraying generally answers for all. The oyster shell scale is sometimes foundon the bark…
Buildings
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.
