Some Properties That Make Lime-Sulphur Wash Effective in Killing Scale-Insects

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In making a study of how the lime-sulphur wash kills scale-insects, it was found that after treatment with the spray, for several hours before death results, many of the insects lie under their scale coverings in a more or less comatose condition. During this time, if the scale is removed, the insect speedily recovers the ability to respond when touched with a needle. Of course after a few hours in dry air the delicate bodied insect would shrivel and die, but fresh air seemed to be the thing that revived it when the covering was first removed.

Document Type: Research Article

Publication date: February 1, 1911

More about this publication?
  • Journal of Economic Entomology is published bimonthly in February, April, June, August, October, and December. The journal publishes articles on the economic significance of insects and is divided into the following sections: apiculture & social insects; arthropods in relation to plant disease; forum; insecticide resistance and resistance management; ecotoxicology; biological and microbial control; ecology and behavior; sampling and biostatistics; household and structural insects; medical entomology; molecular entomology; veterinary entomology; forest entomology; horticultural entomology; field and forage crops, and small grains; stored-product; commodity treatment and quarantine entomology; and plant resistance. In addition to research papers, Journal of Economic Entomology publishes Letters to the Editor, interpretive articles in a Forum section, Short Communications, Rapid Communications, and Book Reviews.
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