Huge Horse-fly



Horse-fly Facts and Camera Settings

The bite from a larger Horse-fly is extremely painful, especially considering the light, agile, and airborne nature of the fly. Unlike insects which surreptitiously puncture the skin with needle-like organs, horse flies have mandibles like tiny serrated scimitars, which they use to rip and/or slice flesh apart. This causes the blood to seep out as the horsefly licks it up. They may even carve a chunk completely out of the victim, to be digested at leisure.

This entry was posted in Insects, Misc. and tagged , .


  1. Huw Spanner September 14, 2009 at 7:01 am #

    I pity horses! When you look closely at insects, you can see them as fantastically sophisticated little machines, exquisitely designed and constructed to do their job. Still, I’d squish any horsefly if I got half a chance…

  2. Paul September 14, 2009 at 7:39 am #

    I wondered what they looked like before I swatted ’em! Until this year, I’d never had an insect bite but now I’m covered in holes, many made by the lovely horse-fly.

  3. Tom @ Ohio Nature September 14, 2009 at 7:10 pm #

    Steve- With those black eyes and black body that just seem to suck in all the light, this creature looks like the dark superhero of the fly world. Very cool image.

  4. Lili Feldman September 14, 2009 at 11:01 pm #

    Steve, I appreciate the fact that you often give us info about your subjects. I never knew this about horse-flies. This is like “look and learn”. Because most probably I would not take the time to look up the info. I’ve never encountered a horse-fly here in So. Calif. I’m
    grateful. Thanks.

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