Add Yahoo as a preferred source to see more of our stories on Google. Screwworm has expanded uncontrollably in the last several months from South America and now into Mexico. If not controlled the ...

Be on the lookout for an especially nasty and tenacious biting insect pest – the horse fly – as it hunts for its next blood meal. Despite the name, horse flies are not host-specific to horses. They ...

Most internal parasites of horses are worms, but bots are the larvae of a fly that needs a horse to complete its life cycle. This parasite spends most of its life fastened to the inside of the host ...

The Louisiana coast is again buzzing with big, green blood-hungry flies. And that's a really good thing, according to Claudia Husseneder, a biologist tracking the recovery of horse flies after the ...