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I think this is is Muscidae (perhaps Neomyia?). Confirmation or the correct Genus would be much appreciated. I always get all this Neomyia, Eudasyphora and the Calliphoridae, Chrysomya and Lucilia all mixed up:S:S

Taken in the mountains of Madrid on the 11th June 2011.

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A lateral view.

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Neomyia cornicina. ;)
Some quick tips : Lucilia : more than one postsutural acrostichal, mid tibia with at least one strong ad, genae not metallic green.
Chrysomya : stout flies with poorly developped setae on thorax and abdomen, and (european species, with a dark stripe on hind margin of tergites).
Other metallic green muscid : bent of vein M is smoother (not angular), and can have hairy eyes (never in Neomyia or Calliphoridae).

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THANKS A LOOOOOOOT, Stephane!!!!!!!!!

I am happy lady now :D:D:D Honestly, those are great ID tips. I know now what I have to photograph. And if I manage good quality I know I can get the genus.

Cannot thank you enough for this, Stephane. This has had me puzzled for months now. I should have asked long ago. Better late than never!

All the best

Piluca

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I have been in the same position as you a few years ago, mixing up all these similar greenbottles and without any clue to recognize them on the field. The characters given in the keys are often not visible on the pictures (e.g. row of strong hypopleural bristles for Calliphoridae, stem vein setulose for Chrysomya etc.).

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Thanks, Stephane, for the ID guide. I can add habitat as a useful clue. I read that Neomyia cornicina larvae live exclusively in bovine dung (= US "cow pies"), so you can rule it out of there are no cows nearby.

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Well John, I must add that the fly in my picture, although sitting on a leaf, was near loads of caw dung!!

Thanks for your input too!!