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Diptera.info :: Identification queries :: Diptera (adults)
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back :) Tabanidae family?
jorgemotalmeida
#1 Print Post
Posted on 05-08-2006 20:11
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Location: Viseu - PORTUGAL
Posts: 9295
Joined: 05.06.06

Hi

I took this photo on 26th July 2006 in Valle de los Caidos, near Madrid - SPAIN. Above a car.

Tabanidae family?


static.flickr.com/61/207282387_c789706f08.jpg


To see it larger go:
http://www.flickr...387&size=l
 
http://www.flickr.com/photos/superegnum
Tony Irwin
#2 Print Post
Posted on 05-08-2006 22:41
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Location: Norwich, England
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I'd say Tabanus female, but not sure which species. Frown
Tony
----------
Tony Irwin
 
Zeegers
#3 Print Post
Posted on 06-08-2006 11:45
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Location: Soest, NL
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I agree

Tabanus with 3 eye-bands are not that common.
T. nemoralis and T. glaucopis come in mind, given the locality.
However, I would need to see the fly in front view to be more sure.


Theo Zeegers
 
jorgemotalmeida
#4 Print Post
Posted on 06-08-2006 13:26
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Location: Viseu - PORTUGAL
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Zeegers wrote:
I agree

Tabanus with 3 eye-bands are not that common.
T. nemoralis and T. glaucopis come in mind, given the locality.
However, I would need to see the fly in front view to be more sure.


Theo Zeegers


Here you can see another photo. I hope this helps!

static.flickr.com/73/207939418_e86f4691b5_b.jpg

to see it larger go:

http://www.flickr...418&size=o
 
http://www.flickr.com/photos/superegnum
Zeegers
#5 Print Post
Posted on 06-08-2006 17:57
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Location: Soest, NL
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Oke, this helps.

It is Tabanus glaucopis, one of the possibilities mentioned.

Thanks


Theo
 
jorgemotalmeida
#6 Print Post
Posted on 06-08-2006 21:11
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Location: Viseu - PORTUGAL
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Zeegers wrote:
Oke, this helps.

It is Tabanus glaucopis, one of the possibilities mentioned.

Thanks


Theo


please tell me how can you reached to T. glaucopis? What charateristics enables us to tell which species belongs?

thank you.
 
http://www.flickr.com/photos/superegnum
Zeegers
#7 Print Post
Posted on 07-08-2006 11:04
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Location: Soest, NL
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OK.

The stripe between the eyes, in frontal view, is called the frontal stripe.
There are dark markings on this stripe. Usually one below, the lower callus, and one in the middle, the upper callus.
In this case, you can see that the upper callus is broad (not linear) and separated from the lower callus.

Then, the most crucial feature:
below the frontal stripe, just above the antennal base, their is a more or less triangular area called the subcallus. In most Tabanidae, this subcallus is greyish dusted. However, in T. glaucopis is is shining black.
It is difficult to see in your picture, but have a look at the one by Gerard Pennards in the gallery and you'll see what I mean.

This, and the 3 stripes on the eye will lead to T. glaucopis.

Theo
 
jorgemotalmeida
#8 Print Post
Posted on 07-08-2006 17:42
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Location: Viseu - PORTUGAL
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Zeegers wrote:
OK.

The stripe between the eyes, in frontal view, is called the frontal stripe.
There are dark markings on this stripe. Usually one below, the lower callus, and one in the middle, the upper callus.
In this case, you can see that the upper callus is broad (not linear) and separated from the lower callus.

Then, the most crucial feature:
below the frontal stripe, just above the antennal base, their is a more or less triangular area called the subcallus. In most Tabanidae, this subcallus is greyish dusted. However, in T. glaucopis is is shining black.
It is difficult to see in your picture, but have a look at the one by Gerard Pennards in the gallery and you'll see what I mean.

This, and the 3 stripes on the eye will lead to T. glaucopis.

Theo


Thank you a lot for the great lesson! Smile
I understand all the information. In next time, I will try to apply this info. Smile
 
http://www.flickr.com/photos/superegnum
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