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Hello,
This is my first post here so is a test of how to do it as well as a query about the ID of this fly. I've recently started taking an interest in the flies that get trapped in my conservatory, here in Ipswich, Suffolk. This specimen was collected in April 21012. I'm still learning about fly anatomy as well as working through a couple of keys to the families. I think that this is an Anthomyiidae but am by no means certain. I would appreciate any comments.
Regards, Martin

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Welcome to the forum, Martin.

Yes. as you have worked out, this is a male anthomyiid - not the easiest of families to take further from photos.

If you can make clear and detailed photos of the whole fly from different angles (so that we can see the bristles on the legs and thorax) it may be possible to have a go at the genus. Can you see any hairs on the eye, or perhaps an apical spur on the fore tibia?

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Thanks Stephen. Unfortunately the fly disintegrated towards the end of my examination, so I won't be able to take any more photos. I didn't see any hairs on the eyes. I have attached another view of whole fly and will add a close-up of the legs in a second post. Thanks again for your help... I'll bear in mind your comments when I examine my next specimen.

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Not sure why side view didn't appear. Here is the close-up of the legs.

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... and here is that side view (fingers crossed)..

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My irresponsible guess would be Delia sp. (because I think I see a curved spur on the front tibia, but I could well be misinterpreting what seems to be a row of highlights :D) The proper answer is just Anthomyiidae sp. ;)

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Thanks again Stephen, If I see another one, I'll be sure to at least try for better pics of its legs.