Two new shade-tree pests: Sawfly leaf-miners on European elms and alder
Slingerland, M.V.
Two new shade-tree pests: Sawfly leaf-miners on European elms and alder - Ithaca 1905 - 52-57 p. - Cornell Agricultural Experime .
Two new shade-tree pests: Sawfly leaf-miners on European elms and alder - Ithaca 1905 - 52-57 p. - Cornell Agricultural Experime .