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White winged flies on horse manure

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Gary G

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Aug 16, 2008, 7:23:46 PM8/16/08
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I've researched flies on manure and find many types. The one
I see on this dung is not found. I thought it was a white fly
but that is all white. These flies have black heads and white
wings. They are quite small, sort of like no-seeums.

Any ideas?

http://www.photoweb.net/DSC_2749bcsCrop.jpg

Kiss French. Drink California.

gary at gaugler dot com

Juergen Peters

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Aug 16, 2008, 9:39:44 PM8/16/08
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Hello!

> I've researched flies on manure and find many types.

And where on earth did you do that? Norway? Namibia? Nepal?
Sorry, but most people seem to think, that all animals do occur
everywhere in the world...


> I see on this dung is not found. I thought it was a white fly
> but that is all white. These flies have black heads and white
> wings. They are quite small, sort of like no-seeums.

No white wings, only reflected/refracted light. If you found that
dung somewhere in the nearctic or palearctic, those little flies
could be Sphaeroceridae (the bigger one seems to be a Musca sp.).


--
Best regards, Juergen Peters

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Juergen Peters, FidoNet 2:2432/344
Borgholzhausen, Germany
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Gary G

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Aug 16, 2008, 11:36:41 PM8/16/08
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On Sun, 17 Aug 2008 03:39:44 +0200, Juergen Peters <kill...@gmx.net>
wrote:

>Hello!
>
>> I've researched flies on manure and find many types.
>
>And where on earth did you do that? Norway? Namibia? Nepal?
>Sorry, but most people seem to think, that all animals do occur
>everywhere in the world...
>
>
>> I see on this dung is not found. I thought it was a white fly
>> but that is all white. These flies have black heads and white
>> wings. They are quite small, sort of like no-seeums.
>
>No white wings, only reflected/refracted light. If you found that
>dung somewhere in the nearctic or palearctic, those little flies
>could be Sphaeroceridae (the bigger one seems to be a Musca sp.).

Good point. This is an image from dung three feet from my fence. One
horse makes about ten dumps a day. There are five horses here.
Therefore, lots of dung.

These flies are in Sacramento CA. Between San Francisco and
Lake Tahoe.

The heads are definitely black and the wings are definitely white.

The big one is Musca domestica. There are others around that are
"horse flies" but my main concern at this time is the little white
ones.

Gary G

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Aug 18, 2008, 12:18:00 AM8/18/08
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On Sat, 16 Aug 2008 20:36:41 -0700, Gary G <see.signature@bottom>
wrote:

http://www.photoweb.net/Manure3.wmv


These are larvae. There are thousands of them in a single drop of
putrid water.

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