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Diptera.info :: Identification queries :: Diptera (adults)
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Sphaeroceridae ?
Robert Heemskerk
#1 Print Post
Posted on 21-04-2007 23:08
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Location: Amsterdam, Netherlands
Posts: 2082
Joined: 17.10.05

 hi flyforum,

This tiny fly remembers me a bit of Sphaeroceridae sp. (it's attitude)
But the legs are not strong and it's got white spots in the wing..
any suggestion?

place: Amsterdam Forest
size: ~3mm

Robert,
Robert Heemskerk attached the following image:


[118.37Kb]
 
http://robertheemskerk.nl/plaatjevandedag.htm
Kahis
#2 Print Post
Posted on 21-04-2007 23:18
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Location: Helsinki, Finland
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 Scatella (Ephydridae).
Kahis
 
www.iki.fi/kahanpaa
Robert Heemskerk
#3 Print Post
Posted on 21-04-2007 23:23
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Location: Amsterdam, Netherlands
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 thanks Kahis!

that fits, it was sitting on some wood on the shore of a lake..
 
http://robertheemskerk.nl/plaatjevandedag.htm
Tony Irwin
#4 Print Post
Posted on 22-04-2007 21:44
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Location: Norwich, England
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 Hi Robert
This is Scatella tenuicosta. The shape of the distal spot in the wing is distinctive.
Tony
----------
Tony Irwin
 
Robert Heemskerk
#5 Print Post
Posted on 22-04-2007 22:13
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Location: Amsterdam, Netherlands
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 Thank you Tony Smile

Frown I can not find these specie in the dutch specie-list...??

Are you sure it is Scatella tenuicosta?

Perhabs the list is not complete..?

1. Scatella Robineau-Desvoidy, 1830 [geslacht]
2. Scatella lutosa (Haliday, 1833) [soort]
3. Scatella paludum (Meigen, 1830) [soort]
4. Scatella stagnalis (Fall?n, 1813) [soort]
5. Scatella subguttata (Meigen, 1830) [soort]
 
http://robertheemskerk.nl/plaatjevandedag.htm
Tony Irwin
#6 Print Post
Posted on 26-04-2007 21:24
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 I am sure it is tenuicosta, and I am sure it has been found in The Netherlands before, even if no-one has recognised it! Grin
Tony
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Tony Irwin
 
Robert Heemskerk
#7 Print Post
Posted on 09-05-2007 16:22
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Location: Amsterdam, Netherlands
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 Hello, me again..

It would be nice if Paul or any other specialist (for the Netherlands) can confirm this?! or deny it!?

It is not Scatella stagnalis?, that one is on the Dutch Specielist.

Wink


Robert,
Edited by Robert Heemskerk on 09-05-2007 16:22
 
http://robertheemskerk.nl/plaatjevandedag.htm
Tony Irwin
#8 Print Post
Posted on 09-05-2007 22:33
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 Hi Robert
I would be very surprised if tenuicosta does not occur in every country in Europe! This photo is tenuicosta for sure, but I'll be happy to examine any Scatella specimens from the Netherlands, so that Paul has a specimen-based record to add it to the official list. Many entomologists have assumed that any small anonymous Scatella is stagnalis, but often they have confused this species with tenuicosta.
Tony
----------
Tony Irwin
 
Kahis
#9 Print Post
Posted on 09-05-2007 23:11
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Location: Helsinki, Finland
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 Here in Finland both species occur, but S. tenuicosta is everywhere, S. stagnalis is by no means rare but clearly less common than S. tenuicosta.
Kahis
 
www.iki.fi/kahanpaa
Paul Beuk
#10 Print Post
Posted on 10-05-2007 09:11
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 Well, maybe tenuicosta does occur in the Netherlands, but if it does, no-one ever bothered to report it under that name.
Paul

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crex
#11 Print Post
Posted on 10-05-2007 12:51
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Paul Beuk wrote:
Well, maybe tenuicosta does occur in the Netherlands, but if it does, no-one ever bothered to report it under that name.


First record by Robert then ... Whohoo Grin
 
Paul Beuk
#12 Print Post
Posted on 10-05-2007 12:57
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 Well, let Robert collect a few specimens for final confirmation. Wink
Paul

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Robert Heemskerk
#13 Print Post
Posted on 10-05-2007 13:51
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 I will try to find some of these.. Wink

It are no escaped Vulture's which are easier to collect Grin
 
http://robertheemskerk.nl/plaatjevandedag.htm
Paul Beuk
#14 Print Post
Posted on 10-05-2007 14:05
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 Well, that vulture required several days, so it was not that easy.
Paul

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Robert Heemskerk
#15 Print Post
Posted on 14-05-2007 23:00
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Location: Amsterdam, Netherlands
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 I collect a Scatella sp. on this place but It looks like a different sp. then Sc. tenuicosta..

I'll show you some pictures of this Scatella sp.
Robert Heemskerk attached the following image:


[68.09Kb]
Edited by Robert Heemskerk on 14-05-2007 23:01
 
http://robertheemskerk.nl/plaatjevandedag.htm
Robert Heemskerk
#16 Print Post
Posted on 14-05-2007 23:01
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Location: Amsterdam, Netherlands
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 pic 2
Robert Heemskerk attached the following image:


[67.25Kb]
Edited by Robert Heemskerk on 14-05-2007 23:02
 
http://robertheemskerk.nl/plaatjevandedag.htm
Robert Heemskerk
#17 Print Post
Posted on 14-05-2007 23:02
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Location: Amsterdam, Netherlands
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 pic 3
Robert Heemskerk attached the following image:


[62.99Kb]
Edited by Robert Heemskerk on 14-05-2007 23:02
 
http://robertheemskerk.nl/plaatjevandedag.htm
Kahis
#18 Print Post
Posted on 14-05-2007 23:21
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 Well, it looks different because it is a Hydrellia Smile
Kahis
 
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Robert Heemskerk
#19 Print Post
Posted on 14-05-2007 23:43
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 Sad
 
http://robertheemskerk.nl/plaatjevandedag.htm
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Some flies preserved in ethanol and then pinned often get the eyes sunken, how can this be avoided? Best answer: I usually keep alcohol-collected material in alcohol

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Aneomochtherus

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Tony, I HAD a blank in the file name. Sorry!

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