. Annual report. 1st-12th, 1867-1878. Geology. Fig. 21.—Native Cabbage Butterfly, Fig, -Native Cabbage female. Butterfly, Mr. C. S. Minot, in an article entitled " Cabbage-butterflies," in the American Entomologist, vol. ii, strongly recommends de- stroying the chrysalis, which may be found under chips, boards, stones, etc., and advises that boards, raised two inches above the surface of the grouud, be placed among the plants to attract the caterpillars when about to change to a chrysalis. Eiley recommends drenching the plants with a wash of cres- ylic soap, for this and other
. Annual report. 1st-12th, 1867-1878. Geology. Fig. 21.—Native Cabbage Butterfly, Fig, -Native Cabbage female. Butterfly, Mr. C. S. Minot, in an article entitled " Cabbage-butterflies," in the American Entomologist, vol. ii, strongly recommends de- stroying the chrysalis, which may be found under chips, boards, stones, etc., and advises that boards, raised two inches above the surface of the grouud, be placed among the plants to attract the caterpillars when about to change to a chrysalis. Eiley recommends drenching the plants with a wash of cres- ylic soap, for this and other noxious cabbage-insects. As those chrys- alids which are infested by the chalcid flies are readily distinguished from the healthy ones by their livid and diseased appearance, they can be selected and preserved or left alone, and thus the parasites can be bred. The Toronto Globe recommends hot water to be applied to cabbages that are infested with the Pieris rapce, sprinkled on from a fine rose wa- tering-can. The water may be boiling-hot when put into the can, but it will not be too hot when it reaches the leaves. The thick fleshy nature. 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 Geological and Geographical Survey of the Territories (U. S. ); United States. General Land Office; United States. Dept. of the Interior. Washington, Govt. Print. Off.
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Keywords: ., bookcentury1800, bookdecade1860, bookpublishe, booksubjectgeology
