. Elementary studies in insect life. Insects. 306 ELEMENTARY STUDIES IN INSECT LIFE and fully dormant. For scale insects, sufficient should be applied to moisten bark of the tree. It is not safe to apply in excess, since there is a liability of injuring the tree. This substance should never be used during the growing Fio. 232. " Kerowater " spray-pump. Designed for mechanically mixing and spraying kerosene and water. The oil and water are mixed and discharged in a milk-like emulsion. Inaccessible Insects.— Carbon bisulphide, a very vola- tile and highly inflammable liquid. T
. Elementary studies in insect life. Insects. 306 ELEMENTARY STUDIES IN INSECT LIFE and fully dormant. For scale insects, sufficient should be applied to moisten bark of the tree. It is not safe to apply in excess, since there is a liability of injuring the tree. This substance should never be used during the growing Fio. 232. " Kerowater " spray-pump. Designed for mechanically mixing and spraying kerosene and water. The oil and water are mixed and discharged in a milk-like emulsion. Inaccessible Insects.— Carbon bisulphide, a very vola- tile and highly inflammable liquid. The vapor is very destructive to animal life. The vapor, being heavier than air, is effective against root insects and insects. 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 Hunter, Samuel John, 1866-1946. Topeka, Kan. , Crane & company
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectinsects, bookyear1902
