Results 41 to 50 of about 479,748 (381)

Delayed mortality effects cut the malaria transmission potential of insecticide resistant mosquitoes [PDF]

open access: yes, 2016
Malaria transmission has been substantially reduced across Africa through the distribution of long-lasting insecticidal nets (LLINs). However, the emergence of insecticide resistance within mosquito vectors risks jeopardizing the future efficacy of this ...
Ferguson, Heather M.   +4 more
core   +3 more sources

Current Research on the Safety of Pyrethroids Used as Insecticides

open access: yesMedicina, 2018
Pyrethroids are synthetic derivatives of natural pyrethrins extracted from Chrysanthemum cinerariaefolium. They are 2250 times more toxic to insects than to vertebrates due to insects’ smaller size, lower body temperature and more sensitive sodium ...
Agnieszka Chrustek   +6 more
semanticscholar   +1 more source

Residual Action of Slow Release Systemic Insecticides on \u3ci\u3eRhopalosiphum Padi\u3c/i\u3e (Homoptera: Aphididae) on Wheat [PDF]

open access: yes, 2017
Slow release formulations of acephate and carbofuran encapsulated in pearl corn­ starch or corn flour granules were applied to the soil at seeding time of potted \u27Caldwell\u27 wheat in the laboratory.
Araya, J. E   +3 more
core   +2 more sources

Variation in the susceptibility of Anopheles gambiae to botanicals across a metropolitan region of Nigeria [PDF]

open access: yes, 2019
Pesticide resistance is normally associated with genetic changes, resulting in varied responses to insecticides between different populations. There is little evidence of resistance to plant allelochemicals; it is likely that their efficacy varies ...
Callaghan, Amanda   +3 more
core   +2 more sources

European populations of Diabrotica virgifera virgifera are resistant to aldrin, but not to methyl-parathion [PDF]

open access: yes, 2008
The western corn rootworm, Diabrotica virgifera virgifera LeConte (Coleoptera: Chrysomelidae), is a major pest of cultivated corn in North America and has recently begun to invade Europe.
Ciosi, M.   +7 more
core   +2 more sources

Implications of bio-efficacy and persistence of insecticides when indoor residual spraying and longlasting insecticide nets are combined for malaria prevention. [PDF]

open access: yes, 2012
Bio-efficacy and residual activity of insecticides used for indoor residual spraying (IRS) and long-lasting insecticide nets (LLINs) were assessed against laboratory-reared and wild populations of the malaria vector, Anopheles arabiensis in south eastern
Chipwaza, Beatrice   +8 more
core   +2 more sources

Organic Insecticides [PDF]

open access: yesAnaesthesia and Intensive Care, 2000
Organic insecticide poisoning continues to be a major health problem not only in the developing communities but also in the Western population. The insecticides commonly used are the organophosphates, organocarbamates, organochlorides and pyrethroids.
J V, Peter, A M, Cherian
openaire   +2 more sources

Efficacy of homemade botanical insecticides based on traditional knowledge. A review

open access: yesAgronomy for Sustainable Development, 2019
Homemade botanical insecticides are widely used by subsistence and transitional farmers in low-income countries. Their use is often driven by the limited availability or cost of commercial pesticides. Homemade botanical insecticides are often recommended
J. Dougoud   +3 more
semanticscholar   +1 more source

Identifying Current and Missing Knowledge in the Control of Pyrethroid-Resistant Triatoma Infestans, Vector of Chagas Disease [PDF]

open access: yes, 2017
Triatomines are blood-sucking bugs that occur mainly in Latin America. They are vectors of Trypanosoma cruzi, the parasite that causes Chagas disease.
Picollo, Maria Ines   +1 more
core   +1 more source

Combined Toxicity of Insecticides and Fungicides Applied to California Almond Orchards to Honey Bee Larvae and Adults

open access: yesInsects, 2019
Beekeepers providing pollination services for California almond orchards have reported observing dead or malformed brood during and immediately after almond bloom—effects that they attribute to pesticide exposure.
Andrea H. Wade   +4 more
semanticscholar   +1 more source

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