. Injurious insects : how to recognize and control them . Insect pests; Insect pests. 116 PESTS OF GARDEX AXJj FIELD CROPS with wasliing the seed cane with whale-oil soap. Remnants of cane in the fields, and Johnson gras- in or near by, should be burned. The Clover Root-borer iHylastinus obscurus Marsh.) In the Central states clover is subject to considerable injur>- by this insect, the presence of which is seldom recognized. The adult beetle is small, dark, and cylindrical. Coming out in the spring from clover roots, in which it has passed the winter, it lays eggs in shallow ca\-ities whic
. Injurious insects : how to recognize and control them . Insect pests; Insect pests. 116 PESTS OF GARDEX AXJj FIELD CROPS with wasliing the seed cane with whale-oil soap. Remnants of cane in the fields, and Johnson gras- in or near by, should be burned. The Clover Root-borer iHylastinus obscurus Marsh.) In the Central states clover is subject to considerable injur>- by this insect, the presence of which is seldom recognized. The adult beetle is small, dark, and cylindrical. Coming out in the spring from clover roots, in which it has passed the winter, it lays eggs in shallow ca\-ities which it ex- cavates in the sides of the larger roots of clover plants in the same or adjoining fields. The grubs that hatch from these eggs burrow in and through the roots,. 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
