- The allethrins are a pair of related synthetic compounds used
in insecticides. They are synthetic pyrethroids, a synthetic form of a
chemical found naturally in the chrysanthemum flower.
- Allethrin is a racemic mixture of 8 stereoisomers. d-allethrin is >
95% (1R)-isomers and > 75% trans isomers.
- It is estimated
that several hundred tonnes of allethrin, d-allethrin, bioallethrin,
esbiothrin, and S-Bioallethrin are manufactured and used yearly
throughout the world, mainly for the control of household insects.
- Groups of ten
female adult houseffies, under cyclopropane anaesthesia, were
treated topically on the dorsal thorax with doses varying from 0 6
to 12-0 Ag. of [14C]allethrin/fly in 1pl. of A.R. acetone.
is a highly active synthetic pyrethroid insecticide, piperonyl
butoxide acts as a synergist and D-trans allethrin is a knockdown
- The allethrin
causes hyper-activation of the insect and ultimately increased
uptake of the insecticidal spray.
pesticide was the first of the pyrethroids widely produced as an
insecticide This synthetic compound is used almost exclusively in
homes and gardens for control of flies and mosquitoes.
containing active ingredients, such as, acephate, allethrin,
bifenthrin, bioallethrin, carbaryl, cyfluthrin, deltamethrin,
esfenvalerate, imidacloprid, malathion, permethrin, phenothrin,
pyrethrins, resmethrin and tetramethrin are labeled for treating
of the national pesticides such as allethrin was 61,000 tons
altogether, increased by 6.83% in some period and dropped by 3.17%
compared with last month of same period.
- On the basis of
the review of current insecticide products and sales trends, several
insecticides and two synergists were added to the candidate list:
acephate, aldicarb, allethrin and related pesticides (d-allethrin,
d-trans allethrin, S-bioallethrin, prallethrin, and esbiothrin),
clarified hydrophobic extract of Neem oil, lambda cyhalothrin,
tetramethrin, tralomethrin, n-octyl bicycloheptene dicarboximide,
and piperonyl butoxide (PBO).
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