Boring caterpillars affecting corn and other crops and which are liable to be mistaken for the european corn borer
Gibson, Arthur
Boring caterpillars affecting corn and other crops and which are liable to be mistaken for the european corn borer - Ottawa 1920 - 1-14 p. - Caterpillar, Crop Canada Department of Agriculture. Circular No. 14 .
Boring caterpillars affecting corn and other crops and which are liable to be mistaken for the european corn borer - Ottawa 1920 - 1-14 p. - Caterpillar, Crop Canada Department of Agriculture. Circular No. 14 .