The American Entomologist

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Benjamin Dann Walsh, Charles Valentine Riley, George Vasey
Hub Publishing Company, 1880 - Botany
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Page 136 - Tis true : there's magic in the web of it : A sibyl, that had number'd in the world The sun to course two hundred compasses, In her prophetic fury sew'd the work ; The worms were hallow'd that did breed the silk ; And it was dyed in mummy which the skilful Conserved of maidens
Page 121 - it fastens, lengthwise and head downwards, to the tender stalk, and lives upon the sap. It does not gnaw the stalk, nor does it enter the central cavity thereof ; but as the larva increases in size, it gradually becomes imbedded in the substance of the stalk. After taking its station, the larva moves no more, gradually loses its reddish...
Page 22 - ... are not needed — along with a supply of their appropriate food sufficient to last them on their journey ; otherwise, they generally die on the road and shrivel up. Send as full an account as possible of the habits of the insect respecting which you desire information ; for example, what plant or plants it infests ; whether it destroys the leaves, the buds, the...
Page 140 - November, or from thirty to forty days after the wheat is sown, they assume the " flax-seed" state, and may, on removing the lower leaves, be found as little brown, oval, cylindrical, smooth bodies, a little smaller than grains of rice. They remain in the wheat until during warm weather. In April the larva rapidly transforms into the pupa within its flax-seed skin, the fly emerging from the flax-seed case about the end of April. The eggs laid by this first or spring brood of flies soon hatch ; the...
Page 45 - The extract is easily obtained by taking a flask fitted with a cork and a long and vertical glass tube. Into this flask the alcohol and Pyrethrum are introduced and heated over a steam tank or other moderate heat. The distillate...
Page 87 - I examined the condition of a host of these chinch-bugs that had chosen for their winter covering cord-wood sticks lying on the ground, entirely surrounded by frost and ice; of these 20 per cent. were living; those that were more fortunate in their selection of winter quarters fared much better. From a single handful of leaves picked up at...
Page 107 - All inquiries about insects, injurious or otherwise, should be accompanied by specimens, the more the better. Such specimens, if dead, should be packed in some soft material, as cotton or wool, and inclosed in some stout tin or wooden box. They will come by mail for one cent per ounce. Insects should never be inclosed loose in the letter. Whenever possible, larvae (ie, grubs, caterpillars, maggots, etc...
Page 147 - Canada, reported at the meeting of the Entomological Club of the American Association for the Advancement of Science...
Page 291 - He also propounds the following query: (3) Do the beetles hybernate in the ground so that they can be poisoned, or are they perpetuated only by the eggs on the trees ? Allow me to add the following subjects for investigation as necessary to the devising of proper remedies against this foreign invader. (4) How soon do the insects appear in the Spring, how rapidly do they propagate, and what time is passed in each stage of development...
Page 264 - ... of the liquid poured in, and the hole quickly filled with earth, which was pressed down with the foot. In every case the insects were killed without injury to the plants

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