ⓘ Anvil (insecticide)
Anvil is an insecticide widely employed to combat West Nile fever, a mosquito-borne disease identified in approximately 10.000 residents of the United States from 1999-2006. It is sprayed in Chicago and many other cities. Sumithrin, a synthetic pyrethroid, is the main active ingredient.
Anvil applies the air with planes and helicopters or aircraft using ground application truck / ATV / backpack, using ultra-low-volume ULV sprayers. According to the technical Bulletin anvil, published in January 2006, these sprayers create a fine mist of droplets that, on average, 17 micrometers in size. Used a very small amount of active ingredient, approximately 0.6 ml of 17 g of active ingredient used to treat 1 acre 0.40 ha 4.2 kg / km2.
The active ingredients in the anvil to break down quickly in sunlight and are not exposed. No reentry measures on the anvil.
Anvil has been tested in 43 field trials in the United States compared to 30 species of mosquitoes.