pyrethrins


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Related to pyrethrins: permethrin, pyrethroids, Piperonyl butoxide

py·re·thrins

(pī-rē'thrinz), Do not confuse this word wih permethrin.
Insecticidal constituents of pyrethrum flowers.

pyrethrins

(pī-rē′thrĭnz)
The general name given to substances derived from pyrethrum flowers (chrysanthemums); used as insecticides.

pyrethrins

the active insecticidal ingredients of the flowers of the pyrethrum plant. Can cause systemic or cutaneous allergic reactions. Are esters of pyrethrolone and cinerolone with chrysanthemum mono- and dicarboxylic acids.
References in periodicals archive ?
Janet McAllister, a CDC medical entomologist and advisor on mosquito abatement efforts in Miami, says the agents used for mosquito control alternate between pyrethrin and pyrethroid insecticides and various organophosphates, including naled, malathion, and in vary rare instances chlorpyrifos.
Some bed bug populations have become resistant to pyrethrins and pyrethroids.
du Pont de Nemours, Wilmington, DE, USA), Spinosad (SpinTor 24% SC, DowAgroSciences, Indianapolis, IN, USA), Pyrethrins (Pyrethrum 5% EC, Agropharm Ltd.
halys adults exposed to pyrethrins moved significantly greater horizontal distances compared with the untreated control, during the first 10 min of insecticide exposure (P < 0.
Permethrin and pyrethrins paralyze lice by modifying voltage-gated sodium channels, so that resistance to one agent usually confers resistance to all of them.
Natural pyrethrins are present in pyrethrum extracts obtained from flowers of some species of chrysanthemum.
The synthetic pyrethroids and their natural pyrethrins can be divided into two groups based on their chemical structures and mechanism of action on insect target sites.
Yard Net Granular significantly controls biting insects such as mosquitoes, fleas, ticks, black flies and gnats, but unlike many "backyard" insect repellents, it contains no pyrethrins, no pyrethroids and no d-limonene.
control centers and visits to health facilities due to exposure to pyrethrins and the related pyrethroids steadily increased (J.
The report also showed that 89% of the illness-causing insecticide exposures, including the fatality, were to pyrethroids, pyrethrins, or both, and were in toxicity category III.
Pyrethroids, pyrethrins, or both were implicated in 99 (89%) of the cases, including the fatality.
Range of organic acid metabolites available with new organic acid technology Glycolysis Phthalates Krebs Cycle Solvents Amino acid Metabolism Pyrethrins DNA, RNA metabolism Dry cleaning solvents Neurotransmitter metabolism Preservatives Organophosphate metabolism Vinyl chloride Yeast, fungal markers Specific Clostridia marker Markers for beneficial bacteria Specific mitochondrial disease markers Oxalate markers for kidney stones, Vitamin deficiency markers genetic disease Specific marker for ammonia Phosphate marker of bone function toxicity Markers of fatty acid catabolism Marker for glutathione precursor Metabolic diseases causing autism Genetic screening with extremely spectrum disorders sensitive markers