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Diptera.info :: Identification queries :: Diptera (adults)
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Sarcophagidae ? => Tachinidae: Istocheta longicornis
skrylten
#1 Print Post
Posted on 10-11-2012 16:07
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2012-06-30, Skåne Sweden, 9 mm
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Edited by skrylten on 12-11-2012 19:24
 
skrylten
#2 Print Post
Posted on 10-11-2012 16:08
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2:nd image
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ChrisR
#3 Print Post
Posted on 10-11-2012 16:13
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Tachinidae 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
skrylten
#4 Print Post
Posted on 10-11-2012 16:15
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Thats more interesting Chris Wink
Can I take other images to get further ?
 
sd
#5 Print Post
Posted on 10-11-2012 21:40
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Maybe Istocheta?

Steve
 
skrylten
#6 Print Post
Posted on 10-11-2012 21:43
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Arrived at Istocheta in the key at the same time you wrote it Smile
 
skrylten
#7 Print Post
Posted on 11-11-2012 09:44
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We only have Istocheta longicornis listed in Sweden.
I will try to take all the photos necessary (if possible) to confirm that ID.
I'll be back later ...
 
skrylten
#8 Print Post
Posted on 11-11-2012 14:33
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Following "Die Raupenfliegen Mitteleuropas:"
First sternopleural bristles...
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skrylten
#9 Print Post
Posted on 11-11-2012 14:34
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... and "swollen" sub-scutellum => Tachinidae
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skrylten
#10 Print Post
Posted on 11-11-2012 14:35
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1: 3 ia => 2
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skrylten
#11 Print Post
Posted on 11-11-2012 14:37
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2: Bare arista => 19
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skrylten
#12 Print Post
Posted on 11-11-2012 14:42
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19: m-cu almost right-angled, no small bristles on R4+5 => 25
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skrylten
#13 Print Post
Posted on 11-11-2012 14:44
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25: m-vein bent (see image above) => 30
 
skrylten
#14 Print Post
Posted on 11-11-2012 14:46
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30: Cell R5 open (see image above) => 56
 
skrylten
#15 Print Post
Posted on 11-11-2012 14:48
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56: Other combinations ... => 63
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skrylten
#16 Print Post
Posted on 11-11-2012 14:51
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63: Brigth hairs on the lower back of head => 76
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skrylten
#17 Print Post
Posted on 11-11-2012 14:54
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76: Some hairs as in abb. 8 (see image above) => 77
77: Once again as in abb.8 (see image above) => 78

78: As in abb.8 and eyes with some hairs (see image above)

=> Istocheta !!!
Edited by skrylten on 11-11-2012 14:57
 
skrylten
#18 Print Post
Posted on 11-11-2012 15:05
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Istocheta key:

1: Arista thickened to more than half its length => 2
2: Arista thickened to ca 2/3 the length. Distance between subapical bristles almost the same as between basal bristle and subapical bristle (see image above) => 3
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skrylten
#19 Print Post
Posted on 11-11-2012 15:12
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3: "Wangen" narrower than half the eye-diameter (see image above).
Scutellum with hairlike apical bristles (see image above).
Abdomen with discal bristles.

===> longicornis


Please comment if it seems a correct ID !
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Edited by skrylten on 11-11-2012 15:13
 
Zeegers
#20 Print Post
Posted on 11-11-2012 18:52
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It is definitely Istochaeta and it looks like longicornis indeed.

Supposed to be nocturnal.

How did you get it ??



Theo
 
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