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INSECT POWDER

Published online by Cambridge University Press:  31 May 2012

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Extract

The Insect Powders of commerce are the powdered flowers of different species of Pyrethrum. Those of Pyrethrum carneum and roseum were introduced some thirty years ago under the name of Persian Insect Powder, and subsequently those of Pyrethrum cinerariæ folium, a native of Dalmatia, Austria, as Dalmatian Insect Powder.

Type
Articles
Information
The Canadian Entomologist , Volume 11 , Issue 3 , March 1879 , pp. 41 - 43
Copyright
Copyright © Entomological Society of Canada 1879

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