来源:Smithsonian Libraries contributed to BHL , 1915-1916卷 , 1915
作者:Entomological Society of Ontario.@@Entomological Society of Ontario.@@Ontario. Dept. of Agriculture@@Ontario. Department of Agriculture.
关键词:Ontario;Insect pests;...
使用许可:Unknown
来源:Smithsonian Libraries contributed to BHL , 1891-1895卷 , 1891
作者:Entomological Society of Ontario.@@Entomological Society of Ontario.@@Ontario. Dept. of Agriculture@@Ontario. Department of Agriculture.
关键词:Ontario;Insect pests;...
使用许可:Unknown
来源:Smithsonian Libraries contributed to BHL , 1909-1911卷 , 1909
作者:Entomological Society of Ontario.@@Entomological Society of Ontario.@@Ontario. Dept. of Agriculture@@Ontario. Department of Agriculture.
关键词:Ontario;Insect pests;...
使用许可:Unknown
来源:Smithsonian Libraries contributed to BHL , 1917-1919卷 , 1872
作者:Entomological Society of Ontario.@@Entomological Society of Ontario.@@Ontario. Dept. of Agriculture@@Ontario. Department of Agriculture.
关键词:Ontario;Insect pests;...
使用许可:Unknown
来源:Smithsonian Libraries contributed to BHL , [Index 1870-1899]卷 , 1870
作者:Entomological Society of Ontario.@@Entomological Society of Ontario.@@Ontario. Dept. of Agriculture@@Ontario. Department of Agriculture.
关键词:Ontario;Insect pests;...
使用许可:Unknown
来源:Smithsonian Libraries contributed to BHL , pt. 1-4 (1982-87)卷 , 1982
作者:Argus, George W.@@National Museum of Natural Sciences (Canada).
关键词:Rare plants;Botany;...
使用许可:Unknown