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Diptera.info :: Identification queries :: Diptera (adults)
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Small black Tachinidae -> cf. Dionaea sp.
karl7
#1 Print Post
Posted on 10-12-2025 15:24
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Have a nice Day. One Question please. Can this Tachinidae species be identified in more detail? I would be very grateful for an answer.
Finding data: Austria, Lower Austria, Tattendorf, 220m, dry flowering area, May 14th, 2025, size approx. 4-5mm

Kind regards Karl
karl7 attached the following image:


[116.58Kb]
Edited by karl7 on 15-12-2025 16:49
 
karl7
#2 Print Post
Posted on 10-12-2025 15:24
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2.View
karl7 attached the following image:


[121.19Kb]
 
eklans
#3 Print Post
Posted on 10-12-2025 16:54
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Location: Franconia, Germany
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Joined: 11.11.18

It's a male Phania and as the abdomen is dusted: Phania speculifrons, I think (a very rare one!).
Greetings, Eric
 
karl7
#4 Print Post
Posted on 11-12-2025 08:51
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Hello Eric thank you for the Answer of male Phania cf. speculifrons. It's nice that it's a rare species.

Kind regards Karl.
 
Zeegers
#5 Print Post
Posted on 12-12-2025 18:28
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Location: Soest, NL
Posts: 19294
Joined: 21.07.04

My gut feeling says Labigaster. Since we cant see the bridge behind hind coxae, we need to think about this.

Theo
 
karl7
#6 Print Post
Posted on 14-12-2025 11:04
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Hello Theo thank you for the Answer. But Leucostoma sp. can't be right if you look at the wing. In Phania species, the veins converge to a point at the wingtip, as you can see in my photo.
In Leucostoma species, the veins do not run together, but there is a right-angled cross vein.

Kind regards Karl.
Edited by karl7 on 14-12-2025 11:19
 
Zeegers
#7 Print Post
Posted on 15-12-2025 13:26
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Location: Soest, NL
Posts: 19294
Joined: 21.07.04

Leucostoma ? I said Labigaster
Secondly, the calypter is enlarged, a clear sign of Leucostomini. As is the silvery face.
Thirdly, in male Phania speculifrons, the vertex is 0,75 -0,8 x width of an eye. In your pic, it is much smaller ....
In Phania, the bend of median vein is much closer to wing margin.
In both Phania and Labigaster discal bristles are lacking
In Dionaea, they can be present. And there seem to be some small hairs on parafacial....

So my current hypothesis is Dionaea, next of kin to Labigaster.

Definitely not Phania for the reasons given above.


Theo
 
karl7
#8 Print Post
Posted on 15-12-2025 16:49
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Joined: 09.02.25

Hello Theo thank you for the detailed answer and Sorry, I mixed up the family names. Thank you for the new. Thank you for the new hypothesis of Dionaea sp.

Kind regards Karl.
 
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