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Cyhalothrin (ISO common name [3]) is an organic compound that, in specific isomeric forms, is used as a pesticide. [4] It is a pyrethroid, a class of synthetic insecticides that mimic the structure and properties of the naturally occurring insecticide pyrethrin which is present in the flowers of Chrysanthemum cinerariifolium.
They include ovicides and larvicides used against insect eggs and larvae, respectively. The major use of insecticides is in agriculture , but they are also used in home and garden settings, industrial buildings, for vector control , and control of insect parasites of animals and humans.
The larvae go through 4 instars (or stadia) and complete development in about 28–35 days. The pupae is a small silk cocoon encased in mud (0.5-0.9 cm long) and attached to the roots . The pupal stage takes around 7 days to complete.
It prevents larvae from developing into adulthood and thus rendering them unable to reproduce. [8] In the US, pyriproxyfen is often marketed under the trade name Nylar, [9] and is one of two active ingredients in Advantage II. In Europe, pyriproxyfen is known under the brand names Cyclio [10] and Exil Flea Free TwinSpot (Emax).
Temefos or temephos (trade name Abate) is an organophosphate larvicide used to treat water infested with disease-carrying insects [2] including mosquitoes, midges, and black fly larvae. As with other organophosphates, temephos affects the central nervous system through inhibition of cholinesterase. In larvae, this results in death before ...
Eriopis connexa is found throughout a wide variety of agroecosystems, such as cotton, maize, sorghum, pine, citrus, soybean, and wheat plants. [3] [4] [5] [8] In attempts to broaden the pest management potential of E. connexa, studies have indicated this predatory beetle species is effective in controlling aphid populations on both cabbage plants and greenhouse strawberry plants, suggesting ...
When mature, the larvae enter the soil to pupate in earthen cells. The pupal stage lasts from 10 days to two weeks. The pupal stage lasts from 10 days to two weeks. Adults of the new generation emerge and feed for a short period on the sunflower head or on the uppermost leaves of the plant; they do not mate or lay eggs before re-entering the ...
Chemical structure of some pyrethrins: pyrethrin I (R=CH 3), pyrethrin II (R=CO 2 CH 3). The pyrethrins are a class of organic compounds normally derived from Chrysanthemum cinerariifolium that have potent insecticidal activity by targeting the nervous systems of insects.