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Diptera.info :: Identification queries :: Diptera (adults)
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Parydra quadrifasciatus?
sbushes
#1 Print Post
Posted on 17-08-2021 11:12
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Parydra I imagine(?) following comparison with gallery images.
If so, appears to key to P.quadrifasciatus in Drake 2006.

- Yellow dusting on face.
- No prominent tubercle on scutellum.
- Appendix to wing vein.
- Wing markings indistinct
- Fan on front femora seems pale and about same length as narrowest width of femur itself.
- Silver markings at base of mid-tibia

Definitely on the larger side - perhaps 4mm or so?
About twice the size of the other small Ephydrids I photographed there.
e.g. https://www.inaturalist.org/observations/91509048

Shrewsbury river bank, UK - 16/08/21
sbushes attached the following image:


[139.56Kb]
Edited by sbushes on 02-12-2021 21:02
 
sbushes
#2 Print Post
Posted on 17-08-2021 11:12
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wings with appendix to R2+3
and subtle darkening of cross-veins
sbushes attached the following image:


[222.84Kb]
Edited by sbushes on 17-08-2021 11:51
 
sbushes
#3 Print Post
Posted on 17-08-2021 11:13
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front femur with pale hair
and mid tibia
sbushes attached the following image:


[214.86Kb]
Edited by sbushes on 17-08-2021 11:13
 
sbushes
#4 Print Post
Posted on 17-08-2021 11:16
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Another angle of mid-tibia dusting
sbushes attached the following image:


[179.53Kb]
 
sbushes
#5 Print Post
Posted on 17-08-2021 11:23
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no prominent tubercle on scutellum I believe, ruling out P.coarctata

this image from one of the other flies, but the same business
sbushes attached the following image:


[213.86Kb]
Edited by sbushes on 17-08-2021 11:46
 
sbushes
#6 Print Post
Posted on 17-08-2021 11:40
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Full set:
https://www.inatu...s/91473051
Other members of the same business:
https://www.inatu...s/91509046
https://www.inatu...s/91509049
Edited by sbushes on 17-08-2021 11:41
 
sbushes
#7 Print Post
Posted on 02-12-2021 21:03
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anyone able to confirm this one?
 
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Date and time
07 December 2021 22:41
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23.09.21 15:29
All sorted.

16.09.21 22:24
Sorry put 5 new threads in Asilidae forum instead in Syrphidae forum, can pleas an admin move it to Syrph? THANKS, Norbert

09.09.21 07:48
https://www.jeugdb
ondsuitgeverij.nl/
product/de-vliegen
families-met-drie-
voetkussentjes/

09.09.21 07:47
wing ventation is totally different

03.09.21 12:51
Hi, what's the major difference between dolichopodidae and rhagionidae? Can someone help me? Thanks!

28.06.21 15:24
thx TO eklans

03.06.21 11:11
@Tony Irwin Thank you Tony! I've emailed you there Pfft

02.06.21 22:26
Rob - can you PM me with an e-mail address, and I'll send it over.

02.06.21 13:16
Hello chaps! Does anyone have a copy of: Revision of the willow catkin flies, genus Egle Robineau-Desvoidy (Diptera: Anthomyiidae), in Europe and neighbouring areas ?? I'd be ever so grateful! Rob

31.05.21 14:31
The part that got deleted is "longer, dark median stripe on thorax"

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