Diptera.info :: Identification queries :: Diptera (adults)
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 Gonia from Holland
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| Cor Zonneveld |
Posted on 03-05-2008 20:18
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 Member Location: Amstelveen, the Netherlands Posts: 840 Joined: 14.10.06 |
I saw several Gonia today in the Amsterdamse Waterleidingduinen (Theo will know the area!) in the Netherlands. (It's dry coastal dunes, where water is prepared from tap water.) Earlier I've seen Gonia ornata, but these look a bit different: more blackish. Is this just wear and tear?
Cor Zonneveld attached the following image:  [91.86Kb] Thanks for your attention Cor Zonneveld |
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| Cor Zonneveld |
Posted on 03-05-2008 20:19
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Member Location: Amstelveen, the Netherlands Posts: 840 Joined: 14.10.06 |
another picture - there were some 5 flies constant chasing each other at the top of a dune: hill topping??
Cor Zonneveld attached the following image:  [126.18Kb] Thanks for your attention Cor Zonneveld |
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| Zeegers |
Posted on 03-05-2008 20:51
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Member Location: Soest, NL Posts: 18834 Joined: 21.07.04 |
Gonia ornata can be black, but more likely this is G. picea. Rather rare in the dunes, it replaces ornata inland. Theo |
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| Cor Zonneveld |
Posted on 03-05-2008 20:56
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Member Location: Amstelveen, the Netherlands Posts: 840 Joined: 14.10.06 |
For comparison two others, slightly different place (2 km maybe). How sure is the ID of picea, btw? Cor Zonneveld attached the following image:  [98.75Kb] Edited by Cor Zonneveld on 03-05-2008 20:56 Thanks for your attention Cor Zonneveld |
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| Cor Zonneveld |
Posted on 03-05-2008 20:57
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Member Location: Amstelveen, the Netherlands Posts: 840 Joined: 14.10.06 |
and another photo, possibly same individual as previous photo
Cor Zonneveld attached the following image:  [126.75Kb] Thanks for your attention Cor Zonneveld |
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