Diptera.info :: Identification queries :: Diptera (adults)
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 Haematopota (Tabanidae)
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| Susan R Walter |
Posted on 16-11-2008 15:13
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 Member Location: Touraine du Sud, central France Posts: 1802 Joined: 14.01.06 |
I am wondering if this is Haematopota grandis. From central lowland France (la Brenne), 1 September 2008, taken from the windowsill of the Maison du Nature. Susan R Walter attached the following image:  [74.66Kb] Susan |
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| Susan R Walter |
Posted on 16-11-2008 15:14
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Member Location: Touraine du Sud, central France Posts: 1802 Joined: 14.01.06 |
The whole beast.
Susan R Walter attached the following image:  [65.7Kb] Susan |
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| Susan R Walter |
Posted on 16-11-2008 15:15
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Member Location: Touraine du Sud, central France Posts: 1802 Joined: 14.01.06 |
Close up of antennae.
Susan R Walter attached the following image:  [79.41Kb] Susan |
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| Susan R Walter |
Posted on 16-11-2008 15:17
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Member Location: Touraine du Sud, central France Posts: 1802 Joined: 14.01.06 |
Close of antennae of one I think is H. pluvialis, from same place and time, for comparison. Sorry the image is rather poor, as is the specimen.
Susan R Walter attached the following image:  [45.83Kb] Edited by Susan R Walter on 16-11-2008 15:18 Susan |
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| Zeegers |
Posted on 16-11-2008 15:28
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Member Location: Soest, NL Posts: 19298 Joined: 21.07.04 |
It is indeed either italica or grandis. The locality and time in the year favour grandis. To be sure, I need to see the abdomen. Theo |
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| Susan R Walter |
Posted on 17-11-2008 22:04
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Member Location: Touraine du Sud, central France Posts: 1802 Joined: 14.01.06 |
Thanks very much for your comment Theo. Unfortunately, I think making the abdomen visible will involve ripping the wings off, which I am reluctant to do. I will see if I have any other specimens, otherwise wait till I collect another one. The Maison du Nature's windowsills are a convenient and productive hunting ground 
Edited by Susan R Walter on 17-11-2008 22:05 Susan |
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| Zeegers |
Posted on 18-11-2008 19:30
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Member Location: Soest, NL Posts: 19298 Joined: 21.07.04 |
Why ? PUt it in a box with wet papers for 8 hours, and you can gently move the wings. We really need to see the abdomen. Theo |
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| Susan R Walter |
Posted on 18-11-2008 20:00
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Member Location: Touraine du Sud, central France Posts: 1802 Joined: 14.01.06 |
Theo if you think it will work I will do it on the weekend, but it is fairly crispy and brittle (remember it was found on a windowsill). I didn't think relaxing it would work.
Susan |
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| Zeegers |
Posted on 18-11-2008 21:35
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Member Location: Soest, NL Posts: 19298 Joined: 21.07.04 |
It will work Just try gently, if there is too much resistance put it back 1-2 hours. Don't overdo it in time, else the fly will turn completely black. And there is no need to get the traditional 'butterfly-position', just moving the wings in V-shape suffice. You might try it with a pluvialis first. Good luck Theo |
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| Susan R Walter |
Posted on 23-11-2008 18:13
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Member Location: Touraine du Sud, central France Posts: 1802 Joined: 14.01.06 |
Abdomen revealed. I think the spots on T3 speak for grandis, don't they? No spots on T2, but perhaps very faint and the fly has darkened.
Susan R Walter attached the following image:  [94.17Kb] Susan |
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| Zeegers |
Posted on 23-11-2008 21:05
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Member Location: Soest, NL Posts: 19298 Joined: 21.07.04 |
I agree. Grandis. Congratulations. Theo |
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| Susan R Walter |
Posted on 23-11-2008 21:17
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Member Location: Touraine du Sud, central France Posts: 1802 Joined: 14.01.06 |
Thank you Theo. Congratulations because I ID'd it, or because it isn't pluvialis, or because grandis is rare? I'm assuming the first two, and grandis is localised rather than exactly rare – am I right?
Susan |
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