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Diptera.info :: Identification queries :: Diptera (adults)
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Tabanus ID - north-western France
BLecaplain
#1 Print Post
Posted on 09-08-2024 12:40
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Hello,
I have a specimen of Tabanus, quite difficult to identify. 11-12mm. Eye with one band (i'm not sure, the specimen was in alcohol).
- median callus quite large, connected to basal callus (bromius group)
- frons clearly narrower at the base, not parallel
- antenna red without dark (segment 3 totally red/orange), segment 3 (base) not so elongate than bromius or maculicornis (of my little collection)
- palp quite large and short, dark hair not really dense
- vertex with pale hairs
- postocular margin broad (like maculicornis) with long pale hairs
- no black hair under eyes on each side of the antennas (maculicornis have those black hairs).
Subgenital plate similar to bromius of my collection (but I have no publication with illustration of subgenital plate of european Tabanus)

Any idea ? If one banded eyes, so it is bromius or maculicornis (in western France). With this large postocular margin, I think it's maculicornis but some criteria are missing (shape of the allula too, not similar to maculicornis).
Thanks for your help,
Benoît
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Edited by BLecaplain on 09-08-2024 13:35
 
BLecaplain
#2 Print Post
Posted on 09-08-2024 12:44
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abdomen
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Edited by BLecaplain on 09-08-2024 12:48
 
BLecaplain
#3 Print Post
Posted on 09-08-2024 12:49
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palps
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BLecaplain
#4 Print Post
Posted on 09-08-2024 12:49
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antenna
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Edited by BLecaplain on 09-08-2024 12:51
 
BLecaplain
#5 Print Post
Posted on 09-08-2024 13:08
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precision : collected by Malaise tent in 2019, in a moor (near a lake and forest)
 
Zeegers
#6 Print Post
Posted on 12-08-2024 12:07
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Location: Soest, NL
Posts: 19133
Joined: 21.07.04

Yes, bromius it is.

Theo
 
BLecaplain
#7 Print Post
Posted on 12-08-2024 12:25
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Thank you Theo !
 
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Date and time
15 September 2025 09:23
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