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Diptera.info :: Identification queries :: Diptera (adults)
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Paraplatypeza bicincta?
Dmitry Gavryushin
#1 Print Post
Posted on 15-08-2007 10:07
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August 14, 2007, Ozhigovo station, Naro-Fominsk district, Moscow region. Size 3.5 mm.
Base of M1+2 fork is closer to wing margin than to tp, tp is much longer than posterior segment of M3+4, anal cell is roughly equal to posterior segment of A1, lower branch of M1+2 fork doesn't reach wing margin, ta on the level of apical third of costal cell, so a female Paraplatypeza. I think abdominal colour pattern matches that of P. bicincta.
Dmitry Gavryushin attached the following image:


[99.24Kb]
 
jorgemotalmeida
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Posted on 15-08-2007 10:10
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Black wrote:
August 14, 2007, Ozhigovo station, Naro-Fominsk district, Moscow region. Size 3.5 mm.
Base of M1+2 fork is closer to wing margin than to tp, tp is much longer than posterior segment of M3+4, anal cell is roughly equal to posterior segment of A1, lower branch of M1+2 fork doesn't reach wing margin, ta on the level of apical third of costal cell, so a female Paraplatypeza. I think abdominal colour pattern matches that of P. bicincta.


what is tp?

isn?t it "lower branch of M3+4 fork" for "lower branch of M1+2 fork" ?
thank you, Dima. Smile
 
http://www.flickr.com/photos/superegnum
jorgemotalmeida
#3 Print Post
Posted on 15-08-2007 10:22
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forget. it is really M1+2 I thought in R1+2!!! Smile

 
http://www.flickr.com/photos/superegnum
jorgemotalmeida
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Posted on 15-08-2007 10:34
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dima, please see if this is ok. Smile
jorgemotalmeida attached the following image:


[149.35Kb]
Edited by jorgemotalmeida on 15-08-2007 10:36
 
http://www.flickr.com/photos/superegnum
jorgemotalmeida
#5 Print Post
Posted on 15-08-2007 10:37
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x cell and y cell - which are these cells?

and what about ?? vein and ??? vein? Smile


Sometimes I don?t know if it is R1+2 or just R1 awkward What is the rule? (the same for M1+2 , M3+4, or M1, M2, M3.. )

Thank you.
Edited by jorgemotalmeida on 15-08-2007 10:39
 
http://www.flickr.com/photos/superegnum
Dmitry Gavryushin
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Posted on 15-08-2007 10:46
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?? = a (anal cell). The rest that applies is in the image (I'm not much of a venation master to explain all the rest, hope you'll forgive me...). 1 = ta, 2 = tp, 3 = M3+4.
Dmitry Gavryushin attached the following image:


[59.3Kb]
Edited by Dmitry Gavryushin on 15-08-2007 10:47
 
cosmln
#7 Print Post
Posted on 15-08-2007 10:46
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please update that file... with all that.
also i will be greatfull to see a similar file (photo) with al the other aprevioation (dc, sc... and so on)

maybe a sticky topic with couple of similar post? that will be great.

thanks,
cosmln
 
http://mybiosis.org/nature/portal.php?pagename=firstpage
jorgemotalmeida
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Posted on 15-08-2007 10:51
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thanks, Dima. Let's go wait for venation experts. Smile

But I want to fix some things. First, the ?? vein refers REALLY to the vein, not to the cell. The anal cell is marked by z cell (?) Smile

what is really the meaning of ta? and tp?
 
http://www.flickr.com/photos/superegnum
jorgemotalmeida
#9 Print Post
Posted on 15-08-2007 11:00
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other...

see.

Your 2 (of Dima) seems to be crossvein M-M. Is it right? tp = M-M... but what is the meaning of tp?
jorgemotalmeida attached the following image:


[67.87Kb]
Edited by jorgemotalmeida on 15-08-2007 11:03
 
http://www.flickr.com/photos/superegnum
jorgemotalmeida
#10 Print Post
Posted on 15-08-2007 11:01
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what are the vein X, vein Y, vein Z?
and what about the blue line -- it belongs to the M vein.. (but is it really the M1+2?), AND the yellow line it belongs too to the M3+4 vein?

thank you. Smile
 
http://www.flickr.com/photos/superegnum
Dmitry Gavryushin
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Posted on 15-08-2007 11:39
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Here's the wing of Platypezidae as it's shown in the key for the russian Far East (vol. 6, pt. 1, p. 18). There's no M3+4, a little baffling, but terminology varies, and introductory part is written by another author (not Shatalkin)...
Dmitry Gavryushin attached the following image:


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jorgemotalmeida
#12 Print Post
Posted on 15-08-2007 11:42
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I don?t understand what is the rule for separate:

R1
R2+3
R4+5

I see before these schemes:
R1
R2
R3
R4

or
R1+2
R3+4

awkward

the same for A1+CuA2 awkward
 
http://www.flickr.com/photos/superegnum
Dmitry Gavryushin
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Posted on 15-08-2007 11:42
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As I understand, your green vein is the root of R2+3 and R4+5, your blue one is M1+2, amd the yellow one's M3+4.
 
jorgemotalmeida
#14 Print Post
Posted on 15-08-2007 11:50
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Black wrote:
As I understand, your green vein is the root of R2+3 and R4+5, your blue one is M1+2, amd the yellow one's M3+4.



So my first image I uploaded here, for Sc vein is really the VEIN M1, isn?t it? awkward And the humera vein would be the real Sc vein..

are these roots have special names? Smile

It just lacks to know the other veins.. Vein Y and vein Z in the last photo I uploaded.

--->> It should be easy to know which is the basic rule for naming splitting veins... (concerning the last questions I left before this post .Smile
 
http://www.flickr.com/photos/superegnum
Dmitry Gavryushin
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Posted on 15-08-2007 11:54
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That's all pretty embarassing, and related to Diptera philogeny. Separate R2 to R4 are present in e.g. Psychodidae (R1 is your Sc, by the way), in most of other families the branches of the radial sector are reduced to some extent, which gives us R2+3 and R4+5. The same applies to othe sectors (M, Cu, A). You still need an expert who will put it clear and simple for you (at least in case of Platypezidae).
 
jorgemotalmeida
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Posted on 15-08-2007 12:27
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let?s go wait for venation wing experts. Smile
I will try to find more info about this issue, because it is very important to grasp totally so we can to be more confindent about ID.
 
http://www.flickr.com/photos/superegnum
jorgemotalmeida
#17 Print Post
Posted on 15-08-2007 14:50
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with some corrections. Please, for the experts: explain about the questions I put here. Smile
(and thank you, Dima!)
jorgemotalmeida attached the following image:


[161.22Kb]
 
http://www.flickr.com/photos/superegnum
jorgemotalmeida
#18 Print Post
Posted on 15-08-2007 18:20
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waiting for confirmation. Smile Please tell if this legend is correct or no. And don?t forget to clarify the issues I put before. Smile
 
http://www.flickr.com/photos/superegnum
jorgemotalmeida
#19 Print Post
Posted on 15-08-2007 23:12
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it seems that there are so many variability in attribution of nomencl,ature for veins and cells, hence the difficulty.
But I wonder what is the basic rule for split these examples:
R1, R2, R3
R1, R2+3, R4+5
R1+2, R3+4

When the R1 turns R1+2?
To know whcih books/artciles are clear about this issue would be great. Thank you.
 
http://www.flickr.com/photos/superegnum
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