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View Thread :: Identification queries :: Diptera (adults)
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Siphona: are these photos good enough for a species identification?
#1 Print Post
Posted on 03-06-2021 07:49

Location: Wageningen
Posts: 23
Joined: 20.06.17


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)


Thanks in advance!

Kind regards,
Rayan Majoor
#2 Print Post
Posted on 03-06-2021 09:54

Location: Franconia, Germany
Posts: 3272
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 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
#3 Print Post
Posted on 04-06-2021 11:42

Location: Soest, NL
Posts: 18315
Joined: 21.07.04

All of which is very OK for geniculata

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