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Common terms and phrases
abdomen antennæ apex aphides aphis apical appear apple trees band bark basal joint base beak become beetle black dots black spot blackish body borer bristles burrow Cabbage moth caterpillars cherry chinch bug cocoon common commonly crawl cylindrical destroyed dusky edge eggs elevated elytra entomologists feed feet females flies fore wings fork genus GOLDEN-EYE ground hairs half hatched head Hessian fly hind wings hole infested inner margin insects larva larvæ leaf leaves legs length lice limbs middle minute moth nearly nest New-York noticed orchards outer margin oval pale green pale yellow Pemphigus pertain placed plant-lice probably punctures pupa resembling rib-vein scales segment shanks short skin slender slightly species specimens stigma surface sutures tawny yellow third vein thorax threads Thrips tinged transverse twigs veinlets wheat WHEAT FLY whilst white color whitish Wings expand worm yellow color yellowish young
Popular passages
Page 149 - It is a cylinder of glass, about half an inch in length, and a quarter of an inch in diameter, and is generally mounted in white metal, silver, or gold.
Page 42 - Dr. Fitch errs as to the length of' its duration; and I have also erred in the same direction, unless, indeed, there is a still greater range than my subsequent observations would...
Page 35 - This- statement must have been overlooked by Dr. Fitch, who many years afterwards, in his first report as State Entomologist of New York, p. 739 (35), in writing of the oyster-shell bark louse of the apple, states that " these scales are the relics of the bodies of the gravid females, covering and protecting their eggs.
Page 166 - T first vein with a black dot on its base; fourth vein slender, black, the other veins colorless; outer margin of the hind wings black. Length 0.15. In addition to the preceding, a remarkably large aphis is described by Dr. Harris, under the name of A.
Page 66 - ... found a plump well-fed white maggot in .their centre. By the first of August the swellings have about completed their growth, although the worm within is as yet so small as to be scarcely perceptible to the naked eye. In the winter season, the leaves having fallen and left the stalks naked, these balls are more frequently observed; but at this period of the year most of them are found to be empty, with a round hole perforated in them, the worm having completed its growth and the winged fly having...
Page 31 - ... in young trees, where the bark is thin and smooth, to ascertain by puncturing it with a stiff' pin, whether there is any hollow cavity beneath, and if one is discovered, the bark should be cut away with a knife, until the worm is found and destroyed. After it has penetrated the solid wood, it ceases to eject its castings, and consequently we are then left without any clue by which to discover it. Hence the importance of searching for it seasonably.
Page 29 - ... punctured, and is clothed in front with fine white hairs, which are directed downwards. Upon the middle of the top of the head is a smooth, raised, black line, with a narrow impressed line through its middle, a mark which serves to distinguish this from some of the other species which are closely related to it. The thorax is much more broad than long, and is widest forward of the middle. Its surface is covered with dense, coarsish punctures, which run into each other in a somewhat transverse...
Page 120 - ... held in position and to the tree by numerous threads (Fig. 142, Plate XIX). The caterpillars, when fully grown, are a little smaller than their relatives upon orchard trees. Their general color is pale-blue, tinged with green on their sides, and everywhere sprinkled with black dots or points, while along the middle of the back is a row of white spots, on each side of which is an orange-yellow stripe, below which is another cream-colored one. All these stripes are edged with black. Each segment...
Page 30 - The remedies for destroying this borer must necessarily be much the same with those already stated for the common borer or Striped Saperda. They consist essentially of three measures : 1st, coating or impregnating the bark with some substance repulsive to the insect; 2d, destroying the beetle by hand picking; and 3d, destroying the larva by cutting into and extracting it from its burrow. AS it is during the month of June and fore part of July that the beetle frequents the trees for the purpose of...
Page 39 - Susquehanna at least as far as to Carlisle in Pennsylvania. And it probably reaches continuously west to the Ohio, for it occupies the valley of that river at...