After a decades-long hiatus, new world screwworm populations have surged in Central America and Mexico — and are inching northward.

Health officials are warning of a parasitic fly whose larvae feed on living tissue and can infest humans. The larvae feed on healthy tissue, according to health experts. New World Screwworm was ...

The New World screwworm typically infests livestock like cattle but can also affect humans, with the infestation described as "very painful" Michael Nied has been a digital news editor with PEOPLE ...

The United States has confirmed its first human case of the New World screwworm, a parasitic fly larva that feeds on living tissue, raising concerns about the pest’s northward spread. Human case ...

The Autumn 2014 issue of Earth Island Journal tells of a South African company constructing an enormous "fly farm." This facility would use food waste to produce fly larvae which would then be fed to ...