A Treatise on Some of the Insects Injurious to Vegetation

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William White, Printer to the State, 1862 - Beneficial insects - 640 pages

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Page 167 - And they had breastplates, as it were breastplates of iron ; and the sound of their wings was as the sound of chariots of many horses running to battle.
Page 37 - June this filmy skin is rent, the included beetle withdraws from its body and its limbs, bursts open its earthen cell, and digs its way to the surface of the ground. Thus the various changes, from the egg to the full development of the perfected beetle, are completed within the space of one year.
Page 367 - These females lay their eggs upon the top of their cocoons, and cover them with a large quantity of frothy matter, which on drying becomes white and brittle. Different broods of these insects appear at various times in the course of the summer, but the greater number come to maturity and lay their eggs in the latter part of August, and the beginning of September ; and these eggs are not hatched till the following summer. The name of this moth is Orgyia...
Page 71 - ... many of them from two to three feet in diameter, and a hundred and fifty feet high? Yet whoever passes along the high road from Georgetown to Charleston, in South Carolina, about twenty miles from the former place, can have striking and melancholy proofs of this fact.
Page 71 - Carolina, about twenty miles from the former place, can have striking and melancholy proofs of this fact. In some places the whole woods, as far as you can see around you, are dead, stripped of the bark, their wintry-looking arms and bare trunks bleaching in the sun, and tumbling in ruins before every blast, presenting a frightful picture of desolation.
Page 6 - ... larva form, take no food, and remain at rest in a deathlike sleep — is called the pupa state, from a slight resemblance that some of the latter present to an infant trussed in bandages, as was the fashion among the Romans. The pupae from caterpillars, however, are more commonly called.
Page 104 - July, soon become pupae, and are changed to beetles and leave the trees early in September. Thus the existence of this species is limited to one year. White-washing, and covering the trunks of the trees with grafting composition, may prevent the female from depositing her eggs upon them ; but this practice cannot be carried to any great extent in plantations or large nurseries of the trees.
Page 198 - ... bedbug. They travel in immense columns from field to field, like locusts, destroying everything as they proceed ; but their injuries are confined to the States south of the 40th degree of north latitude. From this account," add Kirby and Sixlnce, " the depredator here noticed should belong to the tribe Geocorisce, Latr.
Page v - It is presumed to have been a leading object of the Legislature, in authorizing this Survey, to promote the agricultural benefit of the Commonwealth, and you will keep carefully in view the economical relations of every subject of your inquiry. By this, however, it is not intended that scientific order, method, or comprehension should be departed from. At the same time, that which is practically useful will receive a proportionally greater share of attention, than that which is merely curious ; the...
Page 253 - They begin to hatch about the 25th of May, and finish about the 10th of June, according to Mr. Perley. The young, on their first appearance, are nearly white, very minute, and nearly oval in form. In about ten days they become stationary, and early in June throw out a quantity of bluish white down, soon after which their transformations are completed, and the females become fertile, and deposit their eggs. These, it seems, are hatched in the course of the summer, and the young come to their growth...

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