Over all length 8 - 11mm. A horse-fly with a fierce bite. As with most flies the males have by far the biggest eyes, only the females bite. A mid-brown insect with beautiful markings on its wings. The eyes are also interestingly marked with bands of dark and light colours.
Damp areas. On the reserve especially around the Large Gravel Pit.
Status and distribution
Common and widespread in Britain. On the reserve commonest around the Large Gravel Pit, where it will find you.
Best time to see
May to October.