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Diptera.info :: Family forums :: Syrphidae
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Neoascia cf. interrupta
affiniscyanoviridis
#1 Print Post
Posted on 17-11-2016 08:45
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Location: Poland
Posts: 384
Joined: 22.01.13

Hi,

is it possible to ID?

NE Poland 27042016

Best regards
Joao
affiniscyanoviridis attached the following image:


[32.08Kb]
Edited by affiniscyanoviridis on 23-11-2016 07:38
 
Sundew
#2 Print Post
Posted on 22-11-2016 01:32
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Location: Berlin, Germany
Posts: 3053
Joined: 28.07.07

This might be Neoascia podagrica, but these flies are tricky. To differentiate between Neoascia and Sphegina one needs to see the wing venation.
 
affiniscyanoviridis
#3 Print Post
Posted on 22-11-2016 08:38
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Location: Poland
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Ok, thanks for your reply.

I will check if I have a decent pictutre from the top!

Best regards
J
 
affiniscyanoviridis
#4 Print Post
Posted on 22-11-2016 08:52
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Location: Poland
Posts: 384
Joined: 22.01.13

Maybe it will help!

Regards
J
affiniscyanoviridis attached the following image:


[41.49Kb]
 
Sundew
#5 Print Post
Posted on 22-11-2016 13:16
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Neoascia podagrica has darkened cross veins that form a right angle (see https://www.flick...638744863/ and compare with a Sphegina in http://syrphidae..../file/3049). I think we can see three straight dark lines here, so I would prefer that species. Labeling the pics "Neoascia cf. podagrica" should not be too wrong!
 
Piet Nord
#6 Print Post
Posted on 22-11-2016 13:27
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Location: Germany
Posts: 305
Joined: 19.07.11

Hi Sundew,

keep in mind that there are additional Neoascia with darkened cross veins. Par example N. interrupta which has a short third antennal segment and three pairs of spots (tergites 2-4 each one pair).
Very best regards
 
Sundew
#7 Print Post
Posted on 22-11-2016 15:17
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Nice to hear from you, dear Piet - I have already missed you! Indeed I overlooked N. interrupta that is not comparatively illustrated in my book and usually looks more colourful than N. podagrica (see https://www.flick...383858487/). There seem to be yellow spots at the basal corners of tergite 4, so "N. cf. interrupta" would possibly be closer to the truth Smile.
 
Piet Nord
#8 Print Post
Posted on 22-11-2016 19:14
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Location: Germany
Posts: 305
Joined: 19.07.11

Dear Sundew, I missed you too! This female of Neoascia is indeed belonging to interrupta. I would expect this species in Poland in marshy areas surounding larger rivers and lakes or near Baltic Sea.
Very best regards
Piet
 
affiniscyanoviridis
#9 Print Post
Posted on 23-11-2016 07:31
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Location: Poland
Posts: 384
Joined: 22.01.13

Hi,

thanks you both for time and ID.

Best regards
Joao
 
Sundew
#10 Print Post
Posted on 24-11-2016 00:44
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You can delete the "cf." Grin Piet's identification is reliable without doubt.
 
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20.11.17 15:09
Pls sign to help save Botanophila fonsecai https://home.38deg
rees.org.uk/?s=Fon
seca. Thx

17.11.17 14:22
Thanks Paul, interesting point

16.11.17 13:44
'Holding' might not be the perfect description. Apparently the armature makes contact with sensitive places on the female, coaxing her to agree to mate.

16.11.17 13:43
Is was not quite sure whether the word would apply correctly, but, yes, that is okay.

15.11.17 11:29
How about armature, would that fit? based on http://onlinelibra
ry.wiley.com/doi/1
0.1111/j.1365-3113
.2008.00422.x/pdf
it would seem that these spines etc are used to hold the female!

14.11.17 09:22
All spines, ridges, lobes, etc. on the femur.

14.11.17 08:36
I think bewaffnung is like weapons (on femur 1).

13.11.17 13:10
Hello can any1 tell me how to translate bewaffnung des femur 1? Thx

26.10.17 13:37
Yes it looks like a typo error e instead of a Thanks you

26.10.17 09:54

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