Screwworms are possibly the most aptly named parasites imaginable, both literally and figuratively. Screwworms—technically, ...

This includes mosquitoes, deer flies, and horse flies, which track us down by detecting carbon dioxide in our breath and other body odors. Flies have an astonishing ability to sense and analyze ...

Once the eggs hatch, the larvae crawl into muddy areas to grow into adult flies. Deer flies are smaller than horse flies at about ¼ to ½-inch long and have clear or smoky-grey wings with dark ...

then the bigger flies, like horseflies and deer flies, make their appearance later. All these creatures seem to come in waves and a multitude of factors (like rainfall, temperature and the ...