Tourists flock to Rwanda's mountains to see its famed gorillas, but now the small nation is working to diversify its economy with a natural insecticide farmed on nearby fertile foothills. Pyrethrum, a ...

The US Environmental Protection Agency has given the green light for 13 pyrethroid insecticides to remain on the US market, with a few new restrictions. The EPA is reevaluating a total of 23 ...

A new study has identified a scent receptor in mosquitoes that helps them sniff out and avoid trace amounts of pyrethrum, a plant extract used for centuries to repel biting insects. These findings ...

When mosquitoes develop resistance, more of them can survive exposure to insecticides that would normally kill susceptible ...