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Diptera.info :: Identification queries :: Diptera (adults)
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Siphona: are these photos good enough for a species identification?
R_Majoor
#1 Print Post
Posted on 03-06-2021 08:49
Member

Location: Wageningen
Posts: 25
Joined: 20.06.17

Hi,

I know this isn't the easiest of genera for photo-identification, and I wasn't given enough time to get good quality photos. But maybe the experts here still can find enough details to make out which species this is?
It concerns this observation: https://waarnemin...215705747/.
1 Siphona spec. imago, seen
date: 2020-10-14
location: Wageningen - Wageningse Bovenpolder (GE)

photos:
waarneming.nl/media/photo/36517908.jpg
waarneming.nl/media/photo/36517909.jpg
waarneming.nl/media/photo/36517910.jpg
waarneming.nl/media/photo/36517911.jpg

Thanks in advance!

Kind regards,
Rayan Majoor
 
eklans
#2 Print Post
Posted on 03-06-2021 10:54
Member

Location: Franconia, Germany
Posts: 3528
Joined: 11.11.18

Hi Rayan, I've tried to use the T&H key on your images and ended up with rossica (but some characters are not clearly to be seen and fauna.eu doesn't report it for the Netherlands):
- epaulette visibly darker than basicosta?
- 2nd antennal segment yellow (base of third, too?)
- 2 strong marginal bristles on tergite 2!
(see https://diptera.i...d_id=88303

Greetings, Eric Kloeckner
 
Zeegers
#3 Print Post
Posted on 04-06-2021 12:42
Member

Location: Soest, NL
Posts: 18632
Joined: 21.07.04

All of which is very OK for geniculata


Theo
 
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