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Diptera.info :: Identification queries :: Diptera (adults)
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Cylindromyia for ID, N Spain--> Cylindromyia brevicornis
Piluca_Alvarez
#1 Print Post
Posted on 02-10-2011 20:44
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Location: Madrid, Spain
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I know these are impossible without genitalia but I would like to give a try to this one and see if it is possible to get a' cf.' Wink

Taken in N Spain, Burgos, at the beginning of June.

Thanks in advance!!
Piluca_Alvarez attached the following image:


[173.03Kb]
Edited by Piluca_Alvarez on 13-11-2011 21:55
 
Piluca_Alvarez
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Posted on 02-10-2011 20:45
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A lateral view.
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Piluca_Alvarez
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Posted on 02-10-2011 20:46
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A frontal view.
Piluca_Alvarez attached the following image:


[148.32Kb]
 
ChrisR
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Posted on 02-10-2011 20:50
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Actually genitalia aren't used in Cylindromyia but you do have to examine the fly carefully so it might not be possible - one for Theo, I think Wink
Manager of the UK Species Inventory in the Angela Marmont Centre for UK Biodiversity at the Natural History Museum, London.
 
http://tachinidae.org.uk
Piluca_Alvarez
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Posted on 02-10-2011 21:04
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Thanks a bunch, Chris!! Smile Anything that doesn't require genitalia is not impossible to me Grin Grin There is hope with Cylindromyias then Wink

Let's wait for Theo, then. Anything beyond 'sp.' is success hehehehe!
 
Piluca_Alvarez
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Posted on 11-11-2011 15:41
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Now that I have learnt a bit about Cylindromyia, I am 'almost' convinced that this might be Cylindromyia auriceps.

I am adding a detailed picture (well, nearly, you cannot expect miracles with a compact, hehehehe) of the scutellum. I can see two lateral pair of bristles and no apical one.

As I don't have complete keys of the Spanish Cylindromyia spp., here is a list of the species found in my country, just in case it helps.

Cylindromyia (Calocyptera) intermedia
Cylindromyia (Conopisoma) rufipes
Cylindromyia (Cylindromyia) bicolor
Cylindromyia (Cylindromyia) brassicaria
Cylindromyia (Cylindromyia) brevicornis
Cylindromyia (Cylindromyia) pilipes
Cylindromyia (Cylindromyia) xylotina
Cylindromyia (Dupuisia) crassa
Cylindromyia (Exogaster) rufifrons
Cylindromyia (Neocyptera) auriceps
Cylindromyia (Neocyptera) interrupta
Cylindromyia (Neocyptera) scapularis
Cylindromyia (Ocypterula) pusilla
Cylindromyia (Partheniella) aurora
Cylindromyia (Plesiocyptera) rubida

Not an easy task in Spain Wink But difficult tasks are the enjoyable ones Grin
Piluca_Alvarez attached the following image:


[124.96Kb]
 
ChrisR
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Posted on 11-11-2011 16:38
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If you told me that it was auriceps then I would believe you ... they do look like this and auriceps is, in my experience, by far the commonest Cylindromyia in southern Europe Smile

It doesn't rule out the other species 100% but auriceps would be my best guess, given what we can see Wink
Manager of the UK Species Inventory in the Angela Marmont Centre for UK Biodiversity at the Natural History Museum, London.
 
http://tachinidae.org.uk
Piluca_Alvarez
#8 Print Post
Posted on 12-11-2011 16:53
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Thanks a lot, Chris! Just the fact of being able to name it 'possible Cylindromyia cf. auriceps' is just so much better than Cylindromyia sp. Wink. Particularly because it is clear that it isn't C. rufifrons, C. rufipes and C. bicolor, naming only the obvious ones Smile

Now, I am just waiting for a possible bucket of cold water from Theo if my suppositions are wrong Grin Shock
 
Zeegers
#9 Print Post
Posted on 12-11-2011 18:45
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? auriceps ? So big with 3 scutellar bristles ?

It is brevicornis, based on the short antenna and... amazingly good to see ! ... the strong setae at the hind margin of ventral site of tergite 2.


Theo
 
ChrisR
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Posted on 12-11-2011 18:58
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Very interesting - I have only seen 1 brevicornis, from the French Pyrennes Smile
Manager of the UK Species Inventory in the Angela Marmont Centre for UK Biodiversity at the Natural History Museum, London.
 
http://tachinidae.org.uk
Piluca_Alvarez
#11 Print Post
Posted on 12-11-2011 20:18
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OMG! OMG! OMG! Thank you soooo much, Theo!! A very nice bucket of cold water indeed!! Wink

I am astonished that I only could see the lateral scutellar bristles awkward , but yes, I can see now the apical pair too! I thought the apical bristles would be stronger. That completely fooled me.

Learning, learning... Wink

And thanks for the explanatios too!! Smile
 
Zeegers
#12 Print Post
Posted on 13-11-2011 10:45
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Location: Soest, NL
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Auriceps-group in a broad sense (so, including interrupta, intermedia, pusilla,... all the western small ones) lack the BASAL scutellar bristle.
And that one is most prominent visible here.

So it is not only about the number of bristles, but also about their location.

The apical, indeed, are small and easily overlooked.


Theo
 
Piluca_Alvarez
#13 Print Post
Posted on 13-11-2011 21:10
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Thanks a bunch again for all your explanations, Theo!! I see keys are necessary but sometimes it isn't enough. Nothing like experience with flies to get a proper ID Wink

I see there aren't pictures of Cylindromyia brevicornis in the gallery. You all will have mine Wink

Also found here:

http://www.biodiversidadvirtual.org/insectarium/Cylindromyia-brevicornis-14-img294308.html

http://www.biodiversidadvirtual.org/insectarium/Cylindromyia-brevicornis-24-img294311.html

http://www.biodiversidadvirtual.org/insectarium/Cylindromyia-brevicornis-34-img294314.html

http://www.biodiversidadvirtual.org/insectarium/Cylindromyia-brevicornis-44-img294316.html
Edited by Piluca_Alvarez on 20-11-2011 21:13
 
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