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Diptera.info :: Identification queries :: Diptera (adults)
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Eriothrix to ID
Rui Andrade
#1 Print Post
Posted on 28-07-2018 09:33
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Hi, I'm not sure about the identification of this tachinid. Wing cell r4+5 seems to be open.

location: Bragança, Portugal
date: 25/07/2018
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Rui Andrade
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Posted on 28-07-2018 09:33
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Arista
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Rui Andrade
#3 Print Post
Posted on 28-07-2018 09:34
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Occiput
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Rui Andrade
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Posted on 28-07-2018 09:34
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Humeral callus
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Rui Andrade
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Posted on 28-07-2018 09:35
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Wing
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Rui Andrade
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Posted on 28-07-2018 09:35
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Mid-dorsal depression of syntergite 1+2
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Zeegers
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Posted on 30-07-2018 20:24
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Location: Soest, NL
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Yes, well spotted.
It is a female, which is pretty awkward.
It keys out to E. micronyx, which is an extremely rare species.
Did you collect it ?
From what altitiude is the record ?


Thanks

Theo
 
Rui Andrade
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Posted on 30-07-2018 22:48
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Thanks, Theo. The specimen was collected and the altitude is 1054 m.
 
Zeegers
#9 Print Post
Posted on 31-07-2018 15:39
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Nice. If you want to be sure, you are welcome to send the specimen over.
You know my address (or send me a PM)


Thanks


Theo
 
Rui Andrade
#10 Print Post
Posted on 31-07-2018 23:16
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Thank you, Theo. I'll keep the specimen for you.
 
Zeegers
#11 Print Post
Posted on 20-08-2018 09:38
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So, this proved to be interesting.

As already observed, there are too many black hairs on occiput for apenninus.
That said, there are too few in comparison with my only micronyx in collection. Moreover, the greyish dusting on tergites is too prominent for micronyx.

On the humeri, on one side there are 5 bristles, on the other side 4. This explains the confusion: clearly this must be an aberration. We are dealing wit a female of Eriothrix argyreatus with only 4 humeral bristles on one side .

So: Eriothrix argyreatus .

Thanks for sending the specimen, in these aberrant cases one really needs to have the specimen at hand to see what is going on !


Theo
 
Rui Andrade
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Posted on 20-08-2018 13:01
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Thank you Theo for the identification and explanation! I'm really happy to have found an interesting Eriothrix. Smile
 
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