pyrethrin


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Related to pyrethrin: permethrin

pyrethrin

/py·reth·rin/ (pi-reth´rin) either of two esters, p. I and p. II, found in the flowers of certain species of Chrysanthemum; used as an insecticide and as a topical pediculicide.

pyrethrin

Public health A topical insecticide used to manage head lice. See Head lice.
References in periodicals archive ?
There are many innovative developments are noticed in the management of waste that are obtained during the production of pyrethrins.
The carpets and baseboards near where the chairs were located were vacuumed and treated with pyrethrin, said LaVena Nohrenberg, the library's customer experience manager.
In conclusion, there was no massive effect of the lambda pyrethrin on the hematological parameters rather biochemistry especially enzyme changes which was suffixed by the liver and kidney changes underscore the toxic effect of this pesticide.
Logistic Regression was used to test for significant differences between control mortality and mortality with the pyrethrins + potash soap, petroleum oil, and potash soap treatments (i.
Effect of basal and side dressed phosphorus on the achene yield and pyrethrins concentration in the achenes of Pyrethrum (Tanacetum cinerariifolium) and on soil and plant phosphorus.
Natural methods of pest control, such as denying bugs food, water, shelter, and entry, are far healthier than known neurotoxins like organo-phosphate or pyrethrin pesticides.
It contains pyrethrin, a seemingly harmless derivative of chrysanthemums.
The ThermaCELL[R] Mosquito Repellent puts out an odorless "chemical copy" of a naturally occurring insecticide, pyrethrin, that's proven 98-percent effective against mosquitoes, black flies, and no-see-ums.
Organic pyrethrin sprays will kill adults and eggs but for best results I recommend using a biological control such as the parasitic wasp Encarsia.
He also reports that 10 spiders showed no ill effects during the 10 months after eating a cockroach that had been killed with a common pyrethrin insecticide.
We learned when meeting with the City that 96% of the sprayed agent (ANVIL 2+2 brand of the pyrethrin compound sumithrin) is an oil-based, supposedly inert component that is dispersed into the air as micro-fine particulates.
The commercially available products had not been successful, possibly due to pyrethrin resistance.