. Injurious insects : how to recognize and control them . Insect pests; Insect pests. CHAPTER XXIII Insect Pests of Orchard and Small Fruits The Grape Root-worm (Fidia viticida Walsh) Evidence of the presence of this insect is twofold. Above grovind the parent beetle eats characteristic, chainlike holes in the leaves. Be- neath ground the grubs which hatch from eggs laid by the beetles gnaw channels and holes in the larger roots and entirely destroy the smaller roots and root hairs. The serious injurj- is that done bj- the grubs. The adult beetle is one fourth inch long, robust, grayish, and c
. Injurious insects : how to recognize and control them . Insect pests; Insect pests. CHAPTER XXIII Insect Pests of Orchard and Small Fruits The Grape Root-worm (Fidia viticida Walsh) Evidence of the presence of this insect is twofold. Above grovind the parent beetle eats characteristic, chainlike holes in the leaves. Be- neath ground the grubs which hatch from eggs laid by the beetles gnaw channels and holes in the larger roots and entirely destroy the smaller roots and root hairs. The serious injurj- is that done bj- the grubs. The adult beetle is one fourth inch long, robust, grayish, and covered with verj' short hairs. It emerges in. 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