Excerpt from Common Injurious Insects of Kansas
When we come to consider remedies, it is evident at once that remedies whose effectiveness consists in the fact that the foliage which is eaten by the insects is poisoned by being covered with a coating of some arsenical mixture cannot be used against sucking insects who get their food from the inside of the leaves. And it is evident that barriers around tree trunks, or around plats of ground, which might surely prevent the progress of the Wingless. Caterpillars and worms, would not at all prevent the winged adult: forms (the moths, etc.) of the insects - which adult forms lay the: eggs from which the caterpillars are hatched - from getting into the tree tops, or into the plats of ground.
It is important to discover at what time in an insect's life reme dies may be best applied; different remedies will be demanded by the different life-stages of the same insect. The life - stages of in sects should be pretty fairly understood by anyone who hopes to carry on an intelligently-directed warfare with the insect pests of his farm or garden. First, there is the egg - deposited usually on the food-plant of the insect, so that the newly-hatched larvae or caterpillars may run no risk of starving while hunting for their proper food. Often the insect may be veritably nipped in the bud, if we may become acquainted with its favorite place of oviposition, and destroy the eggs. Or, by protecting the plant, we may pre vent the laying of eggs on it. (see recommendations for Spring Canker-worm.)
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HRD. Condition: New. New Book. Shipped from UK. Established seller since 2000. Seller Inventory # LX-9780266231646
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