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Hello,
I find this fly on may at 1600m on the Gordolasque valley
She was dead and catch on a larix leaf tree.

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This is the fungus Entomophthora muscae on Scathophaga stercoraria. It is also often found on Melanostoma mellinum but a quick search on google also yielded Delia radicum, Botanophila fugax and Platycheirus peltatus. Most likely there are more.

Also see pictures on this page: http://www.vzwlag...hichpage=8
(scroll down to about two thirds, site in Dutch).

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Yup, those wide open wings are always a good clue. I took many photos of infected insects this year. One thistle plant had about 20 dead Scathophagae in various degrees of infection.

Do a search on my site for pics.

Stuart

http://homepage.e...~hedgerow2