. Injurious insects : how to recognize and control them . Insect pests; Insect pests. SLVGS EATIXO THE LEAF SURFACE 289. Fil;. i2o. — Work ami lar\-a of the Pear-slug. Original. and if the slugs are mmicrous, tlie entire foliage of the tree may look scorched and drop off. When nearly full grown, the lar-^-te lose their slimy coating with the last molt, and are then a clear yel- low in color. There are two or tlu-ee gen- erations in a season. The slugs are apt to lie more nu- merous in the middle or latter part of sununer. The adult is a sawtly. Eggs are laid within the tissues of the leaf. Ord
. Injurious insects : how to recognize and control them . Insect pests; Insect pests. SLVGS EATIXO THE LEAF SURFACE 289. Fil;. i2o. — Work ami lar\-a of the Pear-slug. Original. and if the slugs are mmicrous, tlie entire foliage of the tree may look scorched and drop off. When nearly full grown, the lar-^-te lose their slimy coating with the last molt, and are then a clear yel- low in color. There are two or tlu-ee gen- erations in a season. The slugs are apt to lie more nu- merous in the middle or latter part of sununer. The adult is a sawtly. Eggs are laid within the tissues of the leaf. Ordinarily the simplest means of control is to apply Paris green or arsenate of lead to the fohage. The slugs are easih- 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