European red mite- A pest of fruit trees
Ross, W.A.
European red mite- A pest of fruit trees - Ottawa 1925 - 1-3 p. - Fruit, Tree Canada Department of Agriculture. Circular No. 39 .
European red mite- A pest of fruit trees - Ottawa 1925 - 1-3 p. - Fruit, Tree Canada Department of Agriculture. Circular No. 39 .