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Diptera.info :: Identification queries :: Diptera (adults)
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Ochthera
Nikita Vikhrev
#1 Print Post
Posted on 29-08-2006 23:51
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South Turkey, end May.
Is it our O. mantis or there existe other possibilities in Antalia?
Nikita Vikhrev attached the following image:


[49.76Kb]
Nikita Vikhrev - Zool Museum of Moscow University
 
Paul Beuk
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Posted on 30-08-2006 06:54
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There will be more...
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Tony Irwin
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Posted on 30-08-2006 11:49
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This is Ochthera schembrii (=mantispa) female. The only other similar species (not recorded in Turkey yet) is pilimana which has yellow bases to the mid and hind tibiae and more extensively darkened tarsi.
I love this photo! Cool
Tony
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Tony Irwin
 
Nikita Vikhrev
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Posted on 30-08-2006 12:14
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Thank you Tony!
Nikita,
very much surprised that it is female.
Nikita Vikhrev - Zool Museum of Moscow University
 
jorgemotalmeida
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Posted on 30-08-2006 12:50
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Nikita Vikhrev wrote:
Thank you Tony!
Nikita,
very much surprised that it is female.


Awesome fly that mimics a praying mantis!
 
http://www.flickr.com/photos/superegnum
Dmitry Gavryushin
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Posted on 30-08-2006 14:42
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Well, it's hardly Mantodea mimicry, taking into account the size Wink. Maybe just analogous organs?
However, one type of feeding behavior not previously reported was observed in 0. mantis. In the first observation of this behavior pattern, the fly repeatedly probed the substrate with its proboscis and, after doing so extensively at one point, it excavated with its fore tibial spines a chironomid larva. The predator held the larva between the tibiae and femora of its raptorial fore legs, punctured it with its labella and began consuming it.


Deonier, D. L. - Observations on Mating, Oviposition, and Food Habits of Certain Shore Flies (Diptera: Ephydridae) - The Ohio Journal of Science. v72 n1 (January, 1972), 22-29.

https://kb.osu.ed...01_022.pdf
 
Jan Willem
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Posted on 30-08-2006 15:32
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Hi Nikita,

Nikita wrote:
very much surprised that it is female.


Why?? Looking at the tip op the abdomen I would have been surprised if Tony had told us it was a male specimen!

Jan Willem
 
Nikita Vikhrev
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Posted on 30-08-2006 19:08
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I didn't look at abdomen, I looked at forelegs...
But Dima explained me what she does with forelegs...
Nikita
Nikita Vikhrev - Zool Museum of Moscow University
 
Tony Irwin
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Posted on 30-08-2006 22:24
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Both male and female Ochthera use their raptorial (predatory) forelegs for catching food, in much the same way that a mantis does. (Of course there are quite a few even smaller Empididae that do the same.) If you catch a live Ochthera and put it in a tube with a small chironomid, it will often demonstrate the technique!
As Jan points out, the abdomen tip looks female, but also in this genus the males often have a modified fore tarsus, with a sensory pit containing large bristles. (Not all species show this, so it is best to rely on the abdomen shape.)
Tony
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Tony Irwin
 
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29.07.24 14:19
Don't suppose anyone knows anwhere selling a copy of Contributions to a Manual of Palaearctic Diptera 2? Always wanted a copy.... Smile

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17.08.23 16:23
Aneomochtherus

17.08.23 14:54
Tony, I HAD a blank in the file name. Sorry!

17.08.23 14:44
Tony, thanks! I tried it (see "Cylindromyia" Wink but don't see the image in the post.

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pjt - just send the post and attached image. Do not preview thread, as this will lose the link to the image,

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Tried to attach an image to a forum post. jpg, 32kB, 72dpi, no blanks, ... File name is correctly displayed, but when I click "Preview Thread" it just vanishes. Help!

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27.12.22 22:10
Thanks, Jan Willem! Much appreciated. Grin

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