 | United States. Department of Agriculture - 1883 - 610 páginas
...them also killed. If the trees stand on the sidewalk of the streets the larvae will go for pupation in the cracks between the bricks or at the base of...next most satisfactory one we know of, though it must bo frequently repeated. (2.) We have largely experimented with a view of intercepting and destroying... | |
 | United States. Department of Agriculture - 1883 - 614 páginas
...them also killed. If the trees stand on the sidewalk of the streets the larva) will go for pupation in the cracks between the bricks or at the base of the tree, where they can also be killed in the eame way. This mode of destruction is, take it all in all, the next most satisfactory one we know of,... | |
 | United States Entomological Commission, Alpheus Spring Packard - 1890 - 1058 páginas
...•jl-ti killed. If the trees stand on the sidewalks of the streets the larvie will go for pupation in the cracks between the bricks or at the base of the tree, where they can also be killed in I'M same way. This mode of destruction is, take it all in all, the next most satisfactory oue we know... | |
 | United States Entomological Commission - 1890 - 1078 páginas
...them also killed. If the trees stand on the sidewalks of the streets the larvte will go for pupation in the cracks between the bricks or at the base of the tree, where they can also be killed in t lit- same way. This mode of destruction is, take it all in all, the next most satisfactory one we... | |
 | United States Entomological Commission, Alpheus Spring Packard - 1890 - 1060 páginas
...pupation in the cracks between the bricks or at the base of the tree, where they can also be killed in tbe same way. This mode of destruction is, take it all in all, the nest most satisfactory one we know of, though it must be frequently repeated. " We have largely experimented... | |
 | United States. Bureau of Entomology - 1883 - 682 páginas
...them also killed. If the trees stand on the sidewalk of the streets the larva will go for pupation in the cracks between the bricks or at the base of...experimented with a view of intercepting and destroying the larvie in their descent from the tree. Troughs, such as are used for Canker-worms, turred paper, felt... | |
 | 1887 - 452 páginas
...them also killed. If the trees stand on the sidewalk of the streets the larvie will go for pupation in the cracks between the bricks or at the base of...experimented with a view of intercepting and destroying the lurvie in their descent from the tree. Troughs, such ¡is are used tor canker-worms, tarred paper,... | |
 | Commissioner of Agriculture - 1883 - 612 páginas
...them also killed. If the trees stand on the sidewalk of the streets the larvœ will go for pnpation in the cracks between the bricks or at the base of...experimented with a view of intercepting and destroying the larvie in their descent from the tree. Troughs, such as are used for canker-worms, tarred paper, felt... | |
 | 1883 - 684 páginas
...them also killed. If the trees stand on the sidewalk of the streets the larvse will go for pupation in the cracks between the bricks or at the base of...take it all in all, the next most satisfactory one wo know of, though it must be frequently repeated. (2) We have largely experimented with a view of... | |
| |
If the trees stand on the sidewalk of the streets the larvae will go for putation in the cracks between the bricks or at the base of the tree where they can also be killed in the same way. This mode of destruction is, take it all in all, the next most... 