Annual Report of the State Entomologist of Indiana, Volume 4The State, 1912 - Bee culture The majority of each report consists of articles dealing with insects, plant diseases, etc. in relation to the plant-life of Indiana. |
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Common terms and phrases
adult beetles apiary appear apple arsenate of lead Aspidiotus attacks badly infested bark beekeeper bees black locust branches brood combs brown Catalpa Sphinx caterpillars city conditions city streets cocoon colonies color common considerable damage COTTONY MAPLE SCALE County crop CURCULIO defoliation destroyed early eggs are laid ELM BORERS Elm Leaf Beetle elm trees Enlarged EULECANIUM exceedingly fact Fall Web Worm female fruit fumigation fungous disease fungus greenhouse growers growing hackberry hatch Hessian Fly HICKORY hydrocyanic acid inch Indiana Indianapolis infested trees injurious insects insect injury Kermes killed large numbers larva larvæ leaves lecanium lime and sulphur locust borer native nursery stock parasite passes the winter peach borer peach orchard peach trees Peach Yellows pest plant prevent pupa PUTNAM SCALE San Jose scale scale insects SCURFY SCALE season shade trees soil sometimes species spraying spring sulphur solution Terre Haute trunk Tussock Moth twigs Worm Moth young
Popular passages
Page 252 - There are two recognized infectious diseases of the brood of bees, now known as American foul brood and European foul brood. Both diseases weaken colonies by reducing the number of emerging bees needed to replace the old adult bees which die from natural or other causes. In neither case are adult bees affected, so far as known. The means used by the beekeeper in deciding which disease is present is the difference in the appearance of the larvae dead of the two diseases. That the diseases are entirely...
Page 145 - The Genus Kermes in North America," and the description published in " Coccidae of Ohio," by James G. Saunders : "A large dirty-gray form, which turns to a nearly white color when exposed to a season on the twigs. Female scale 6 mm. long, 7 mm. broad, 6 mm. high, with black spots, and viewed with a hand lens the scale is seen to be covered with minute black specks. Newly hatched larva dirty gray.
Page 252 - This is made still more certain by a study of the bacteria present in the dead larvae. Reports are sometimes received that a colony is infected with both diseases at the same time. While this is possible, it is not by any means the rule, and such cases are usually not authentically reported. There is no evidence that chilled or starved brood develops into an infectious disease or that dead brood favors the development of a disease.
Page 198 - ... soap at the rate of one pound to four gallons of water, or oil emulsion at weekly intervals from the middle of July until the leaves fall in late autumn.
Page 29 - ... bitter rot. The extent to which it will do so will depend largely on the following factors: (a) Making the Bordeaux mixture. — Although the literature dealing with the making of this fungicide is voluminous, there is still much of it made in an improper manner. The standard Bordeaux mixture, ie, 6 pounds of copper sulphate, 4 pounds of lime, and 50 gallons of water, is still preferable. The copper sulphate should be dissolved in one vat; the lime in another. Only freshly slaked lime should...
Page 76 - ... soil, and in summer is a handsome tree. Its large compound leaves give it in winter the same stumpy appearance mentioned of the coffee tree. Owing to its freedom from insect enemies and ability to care for itself the ailanthus has been recommended as a city shade tree.