Interesting Flies

Here are some flies to look at. Shiny, hairy, big and little. I think they can be quite beautiful, too. You'll notice a lot of noncommittal phrasing, because I'm not awesome at identifying flies.

Probably Calliphorid flies, such as the common 'blue bottle fly'.

This is likely a fly in the family Sarcophagidae, known as 'flesh flies'. They are oviviparous, meaning instead of laying eggs, they lay larvae, born ready to feast on decaying flesh. 

This looks like a fly in the family Musicdae, a common house fly.

These delicate flies belong to the family Dolichopidae, the long-legged flies

Two hover flies mating. Family Syrphidae.

More Syrphidae.

Some flies have beautiful patterns on their wings.

This is a tiny robber fly, family Asilidae, with a thrips in its mouth.

This bristle-covered guy is called a Tachinid fly. It is a parasite of caterpillars.

The following flies have what's called a "holoptic" head - meaning their head is mostly eyes.