Tag

Insecticide Resistance

All articles tagged with #insecticide resistance

science1 year ago

Innovative Gene Drive Temporarily Reverses Pest Insecticide Resistance

Researchers at UC San Diego have developed a new gene drive system called "e-Drive" that reverses insecticide resistance in pests by converting resistant genes back to their natural form and then disappearing from the population. This system, which uses CRISPR technology, aims to reduce the need for chemical pesticides and mitigate environmental damage. The e-Drive is designed to act transiently, ensuring it does not spread unchecked, and has been successfully tested in fruit flies. The technology could be adapted for other insects, including mosquitoes, to combat diseases like malaria.

health-and-environment1 year ago

"Untreated Sewage in St. Tammany's Ditches: A Mosquito Magnet"

St. Tammany Parish in Louisiana is facing a mosquito problem due to untreated sewage in its drainage ditches, leading to a surge in the mosquito population. The mosquitoes, particularly the virus-carrying southern house mosquito, are thriving despite efforts to control them with insecticides. Research suggests that the sewage pollution is creating a fertile breeding ground for the mosquitoes, making it difficult to reduce their population. The study highlights the need to address the root cause of sewage pollution to effectively control the mosquito abundance and mitigate public health risks.

agriculture2 years ago

"Insecticide Resistance in Bluegreen Aphids Poses Global Crop Threat, Warn Researchers"

Researchers in Australia have discovered insecticide resistance in bluegreen aphids, a significant pest of legume crops worldwide. The study warns of a global threat to crops and emphasizes the need for new strategies to manage this pervasive pest. The researchers found moderate resistance to multiple insecticide groups in field-collected aphid populations, highlighting the challenges faced by growers. They recommend integrated pest management strategies, including the exploration of non-chemical control options and the potential use of novel endosymbiont-based interventions to mitigate the damage caused by these insecticide-resistant pests.

health2 years ago

"Rise of Immune Mosquitoes: Bug Spray Losing Effectiveness Against West Nile Virus"

Mosquitoes that transmit the West Nile virus are showing resistance to some bug sprays and are even living longer after exposure. This resistance, coupled with extreme weather conditions, has raised concerns among researchers. DEET and picaridin bug sprays are still effective in preventing mosquito bites, and other preventive measures such as wearing protective clothing, screening windows and doors, and eliminating standing water should be taken to reduce the risk of West Nile virus transmission.