Experts warn of ways screwworm could spread in the US and new difficulties in keeping it at bay

Scientists worry that current eradication efforts won’t be able to contain parasitic infestation pushing into US When conservationists set up cameras in remote regions of Central American forests, they wanted to monitor illegal cattle movement, which can lead to deforestation. But in recent months, they discovered another alarming development: wildlife rapidly infected with the new world screwworm. It’s a warning sign of how the fly could spread in the US – and it signals new difficulties in ...

By Melody Schreiber