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 Platypezidae
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| Ben Hamers |
Posted on 21-09-2010 20:56
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Member Location: Heerlen ( Holland ) Posts: 739 Joined: 16.12.04 |
A saw quite a few of these flies last week. It was almost dark, so I didn't manage to make any decent pictures. Closest match in the Gallery is Kesselimyia chandleri , I think, but I don't know if that one occurs in the Netherlands, where I took the pictures (in Southern Limburg). They were chased by ants, but it seemed that the flies were not very interested, they just moved on a few centimeters, which in one case wasn't enough to survive. Ben Ben Hamers attached the following image:  [66.79Kb] |
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| Ben Hamers |
Posted on 21-09-2010 20:59
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Member Location: Heerlen ( Holland ) Posts: 739 Joined: 16.12.04 |
Second picture
Ben Hamers attached the following image:  [66.1Kb] |
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| rvanderweele |
Posted on 21-09-2010 21:21
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Member Location: Leiden, the Netherlands Posts: 1988 Joined: 01.11.06 |
I can't see the flies very well, or should I say I am not too familiar with the Platypezidae. But looking in the gallery to Kesselimyia chandleri, I think only known from Central Europe, I think the flies on the photo come close. If these flies are truly belonging to this species, then this photo is very interesting indeed. BTW, I do not have the description of K. chandleri. Does somebody have it? ruud van der weele rvanderweele@gmail.com |
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| Ben Hamers |
Posted on 22-09-2010 07:39
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Member Location: Heerlen ( Holland ) Posts: 739 Joined: 16.12.04 |
I threw some photo's in the dust-bin before I realized that the fly could be interesting. Here is one I recycled.
Ben Hamers attached the following image:  [61.6Kb] |
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| rvanderweele |
Posted on 22-09-2010 08:09
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Member Location: Leiden, the Netherlands Posts: 1988 Joined: 01.11.06 |
Ben, I think it is a good idea to wait for the opinion of one of the real specialists. I collected some Platypezidae, but I have far too little experience with this interesting family. This evening I will see the publications, which I have. But hopefully before that time a specialist reacted already. ruud van der weele rvanderweele@gmail.com |
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| Paul Beuk |
Posted on 22-09-2010 08:54
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 Super Administrator Location: Netherlands Posts: 19403 Joined: 11.05.04 |
Looks like Kesselimyia indeed. Do you have an actual specimen I could work with?
Paul - - - - Paul Beuk on https://diptera.info |
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| rvanderweele |
Posted on 22-09-2010 08:58
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Member Location: Leiden, the Netherlands Posts: 1988 Joined: 01.11.06 |
Paul, I am glad I wasn't wrong in this case. If it is indeed Kesselimyia chandleri, it is new to our fauna, isn't it?
ruud van der weele rvanderweele@gmail.com |
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| rvanderweele |
Posted on 22-09-2010 08:59
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Member Location: Leiden, the Netherlands Posts: 1988 Joined: 01.11.06 |
Ben, perhaps, perhaps, on the same spot you are able to find more specimens? I will be very interested in receiving some for the collection.
ruud van der weele rvanderweele@gmail.com |
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| Ben Hamers |
Posted on 22-09-2010 20:39
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Member Location: Heerlen ( Holland ) Posts: 739 Joined: 16.12.04 |
Paul and Ruud, Thanks for your reactions. Tomorrow after work I will go back to the place (Brunssummerheide) and will try to find them again. Ben |
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| rvanderweele |
Posted on 22-09-2010 20:40
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Member Location: Leiden, the Netherlands Posts: 1988 Joined: 01.11.06 |
Well, good luck then!
ruud van der weele rvanderweele@gmail.com |
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| rvanderweele |
Posted on 24-09-2010 22:08
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Member Location: Leiden, the Netherlands Posts: 1988 Joined: 01.11.06 |
Paul, I looked at the other photo's. I think it still looks very much like a Kesselimyia chandleri. But I think only looking at the real specimens will give certainty. BTW, lovely photo's. Ben, please, put also the photo you sent to my, the flies on the mushroom. It looks great. ruud van der weele rvanderweele@gmail.com |
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| Ben Hamers |
Posted on 25-09-2010 19:39
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Member Location: Heerlen ( Holland ) Posts: 739 Joined: 16.12.04 |
Okay, Here is the requested picture. Ben Hamers attached the following image:  [76.03Kb] |
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| Paul Beuk |
Posted on 25-09-2010 19:57
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Super Administrator Location: Netherlands Posts: 19403 Joined: 11.05.04 |
What kind of fungus is it?
Paul - - - - Paul Beuk on https://diptera.info |
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| Ben Hamers |
Posted on 25-09-2010 22:31
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Member Location: Heerlen ( Holland ) Posts: 739 Joined: 16.12.04 |
I don't know much about fungi. Many flies were at the upper one, on the other I only saw one fly. Ben Ben Hamers attached the following image:  [96.81Kb] |
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| rvanderweele |
Posted on 26-09-2010 06:00
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Member Location: Leiden, the Netherlands Posts: 1988 Joined: 01.11.06 |
The first one is Macrolepiota. With some onions, bacon.....very good
ruud van der weele rvanderweele@gmail.com |
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| rvanderweele |
Posted on 26-09-2010 06:04
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Member Location: Leiden, the Netherlands Posts: 1988 Joined: 01.11.06 |
Which is by the way interesting, since, my knowledge of mushrooms is extremely limited, as far as I know the Macrolepiota is not often "damaged" by insects etc etc as many other mushrooms are.
ruud van der weele rvanderweele@gmail.com |
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| Jeroen K |
Posted on 26-09-2010 10:18
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Member Location: Kapellen, Belgium Posts: 1141 Joined: 03.04.09 |
The flat-footed flies (Diptera: Opetiidae and Platypezidae) of Europe by Peter J. Chandler, page 210, on the biology of Kesselimyia chandleri: "The type species was reared from an unidentified Lepiota (possibly Macrolepiota)" Edited by Jeroen K on 26-09-2010 10:20 |
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| rvanderweele |
Posted on 26-09-2010 10:28
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Member Location: Leiden, the Netherlands Posts: 1988 Joined: 01.11.06 |
Ha, thanks a lot Jeroen. In fact, the work of Chandler is on my wishlist.
ruud van der weele rvanderweele@gmail.com |
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| Jeroen K |
Posted on 26-09-2010 10:48
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Member Location: Kapellen, Belgium Posts: 1141 Joined: 03.04.09 |
You're welcome. I don't possess the work, but I found it on Google Books. |
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| Paul Beuk |
Posted on 27-09-2010 14:54
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Super Administrator Location: Netherlands Posts: 19403 Joined: 11.05.04 |
Ben sent me two specimens collected last week. I am happy to announce that it is indeed Kesselimyia chandleri, unless there is another species of Kesselimyia around (which would even be nicer). I had only two females for identification. Male genitalia might be the final decider. Ben, if you have any chance of collecting more specimens (males!) or perhaps an infected fungus so we can try to rear specimens... Paul - - - - Paul Beuk on https://diptera.info |
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