. Injurious insects : how to recognize and control them . Insect pests; Insect pests. GHAIX-ilOTHS 359. outward e^•idence of its work is seen in tiny, round holes tlu-ough the hard outer coating of the grain, showing where adults have emerged. Frequently the adult moths, small, buff-colored " millers," are notice- ably abundant, especially at threshing time. There are half a dozen or more generations in the course of the year. The earliest moths in spring at once fly to the grain fields and two or tlu'ee general ions are reared in the growing kernels. The grubs of the last arc har- v
. Injurious insects : how to recognize and control them . Insect pests; Insect pests. GHAIX-ilOTHS 359. outward e^•idence of its work is seen in tiny, round holes tlu-ough the hard outer coating of the grain, showing where adults have emerged. Frequently the adult moths, small, buff-colored " millers," are notice- ably abundant, especially at threshing time. There are half a dozen or more generations in the course of the year. The earliest moths in spring at once fly to the grain fields and two or tlu'ee general ions are reared in the growing kernels. The grubs of the last arc har- vested along with the grain, and Fig. 565. — Lar^-ipof ^i i ^, , . the work goes on the Angoumois '^ Grain-moth. En- as long as warm Fig. 566.—The -Ajigoumois Grain- larged to twice nat- \\-eather lasts. moth. Enlarged and natural size. uralsize. Original. ^ ,, , Original. L orn usually be- comes infested only after being husked, the moths fl>'ing to it and lading eggs on it. In control, grain should be threshed as soon as harvested. It should be stored in tight bins, watched carefully, and if it heats, indicating the presence of the pest, should be fumigated at once with carbon bisulphide. Corn husked late and placed in open cribs out doors seldom becomes 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 O'Kane, Walter Collins, b. 1877. New York : The Macmillan Company
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectinsectp, bookyear1912
