There are 85 000 species of flies, and the Australian bushfly is
probably the worst. They tyrannise the outback, they torture, they are
excised from tourist brochures. They also cause ophthalmia,
inflammation of the eyes and often blindness. The poo pads of
Australia’s 20 odd million sheep and cattle are often blamed. Not
true. This pest was there before white man was. Despite their bother
it’s quite amusing to read what happened when flies met Australia’s
early explorers who breathed flies and ate flies and hated them at
http://www.oz-greetings.com.au/geology/article/38/-b-SOME-ANIMALS--b-
Enjoy (sort of) - Klaus