. A treatise on some of the insects injurious to vegetation . Insect pests. 630 APPENDIX. Thousands of army-worms may be easily destroyed' in a meadow, by running a heavy iron roller over A very small pressure is sufficient to burst their skins, and the slightest injury of this kind will kill them. If the meadow or field is level, few worms can escape the roller, and thus a stop will be put to them at once. Of course this cannot succeed as well where the ground is rough and uneven, for the worms always take shelter in the hollows. The best time to roll is while the worms are feeding and u


. A treatise on some of the insects injurious to vegetation . Insect pests. 630 APPENDIX. Thousands of army-worms may be easily destroyed' in a meadow, by running a heavy iron roller over A very small pressure is sufficient to burst their skins, and the slightest injury of this kind will kill them. If the meadow or field is level, few worms can escape the roller, and thus a stop will be put to them at once. Of course this cannot succeed as well where the ground is rough and uneven, for the worms always take shelter in the hollows. The best time to roll is while the worms are feeding and up among the leaves, for then they are sure to be crushed; at other times they are sheltered, and a, great number will escape. ..... As soon as the crop is removed from an infested field, turn in all the hogs you can, and also chick- ens and turkeys; ducks will do a great deal of good by searching for and. eating the caterpillars. , All these animals will eat the fallen grain, and thus save it in making flesh and fowl. Sheep turned into the field will kill many of the worms by trampling upon them; especially will this be the case if the flock is large. If crows and blackbirds are visiting the fields, do not let them be disturbed; there never was a crow or blackbird, that would not prefer a fat caterpillar to a grain of corn, oats, or ; Kg. 277 Eig. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Harris, Thaddeus William, 1795-1856; Flint, Charles Louis, 1824-1889. Boston : William White, printer to the state


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Keywords: ., bookcentury1800, bookdecade1860, bookpubl, booksubjectinsectpests