Diptera.info :: Identification queries :: Diptera (adults)
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Tachinidae Phytomyptera nigrina
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philporter |
Posted on 25-04-2012 15:47
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Member Location: Lincoln UK Posts: 554 Joined: 07.02.07 |
I assume that the wing veins clinch this one. 22/4/12 Whisby Nature Park, Lincoln, UK, dry short grassland with scrub and gravel-pit lake
philporter attached the following image: [71.24Kb] Edited by philporter on 06-05-2012 11:12 |
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neprisikiski |
Posted on 25-04-2012 17:43
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Member Location: Lithuania Posts: 876 Joined: 23.02.09 |
It is
Erikas |
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ChrisR |
Posted on 25-04-2012 18:37
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Administrator Location: Reading, England Posts: 7699 Joined: 12.07.04 |
Interesting - which species does it key out to? Since Belshaw we have acquired minutissima and zonella
Manager of the UK Species Inventory in the Angela Marmont Centre for UK Biodiversity at the Natural History Museum, London. |
philporter |
Posted on 26-04-2012 11:09
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Member Location: Lincoln UK Posts: 554 Joined: 07.02.07 |
Thanks Erikas. Chris, is the central European key OK for these species? Could you send me the keyword please? |
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Jaakko |
Posted on 26-04-2012 15:21
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Member Location: Joensuu, Finland Posts: 479 Joined: 04.08.08 |
Looks like minutissima to me. Jaakko |
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neprisikiski |
Posted on 26-04-2012 15:51
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Member Location: Lithuania Posts: 876 Joined: 23.02.09 |
I have the impression of nigrina/vaccinii, since I cannot see the m-cu vein in this specimen.
Erikas |
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philporter |
Posted on 26-04-2012 23:10
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Member Location: Lincoln UK Posts: 554 Joined: 07.02.07 |
Thank you everyone; I have sent the specimen to Chris now for examination. Regards Phil Porter |
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ChrisR |
Posted on 26-04-2012 23:19
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Administrator Location: Reading, England Posts: 7699 Joined: 12.07.04 |
Thanks Phil - I will post back here when I have had a chance to look at it properly. Phytomyptera is a genus that has gone through a bit of an expansion here in recent years but the new species are still very rare so it is always good to check everything carefully
Manager of the UK Species Inventory in the Angela Marmont Centre for UK Biodiversity at the Natural History Museum, London. |
Zeegers |
Posted on 27-04-2012 20:26
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Member Location: Soest, NL Posts: 18769 Joined: 21.07.04 |
I agree with EriKas Theo |
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philporter |
Posted on 28-04-2012 17:38
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Member Location: Lincoln UK Posts: 554 Joined: 07.02.07 |
Thanks Theo, Chris, if it turns out to be a specimen you would like to keep, feel free, but maybe in that case you would be able to use your photographic techniques to illustrate the critical features for me. Regards Phil |
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ChrisR |
Posted on 29-04-2012 00:33
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Administrator Location: Reading, England Posts: 7699 Joined: 12.07.04 |
Thanks Phil - I would very much like to hang on to it, if that's OK and I will definitely be taking some photos of it - it has some very interesting features. It keys very nicely to P.nigrina in the British keys but I will investigate Erikas's other possibility (vaccinii), just in case it might be a new one. As Erikas said, they do not have an m-cu vein and the median vein also does not bend - it vanishes - both of which are very rare features on tachinids. Manager of the UK Species Inventory in the Angela Marmont Centre for UK Biodiversity at the Natural History Museum, London. |
ChrisR |
Posted on 29-04-2012 00:42
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Administrator Location: Reading, England Posts: 7699 Joined: 12.07.04 |
Hmm, I have just tried it in the Central European key and it is a really difficult task to split nigrina & vaccinii ... this specimen has very uneven ad bristles on the hind tibia and has a few rows of discals on tergite 5 (all possibly good for vaccinii) ... but the 5th tergite doesn't seem much longer than tergite 5 (indicator for nigrina) and we have a female so it isn't possible to check the genitalia. Does anyone know a good/easy way to split them? Manager of the UK Species Inventory in the Angela Marmont Centre for UK Biodiversity at the Natural History Museum, London. |
sd |
Posted on 29-04-2012 09:54
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Member Location: Suffolk, UK Posts: 892 Joined: 11.10.07 |
You need Anderson 1988"Revision ... Phytomyptera ..." but also see here http://www.nadsdi...s/TT19.pdf this Tachinid Times article has a photo of P. nigrina female post-abdomen. Steve |
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ChrisR |
Posted on 29-04-2012 10:26
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Administrator Location: Reading, England Posts: 7699 Joined: 12.07.04 |
Thanks Steve - yes, I have Andersen (1988), which has all the male & female genitalia figured but I am none the wiser at the moment because the specimen is tiny (4mm) and the abdomen has collapse ventrally, distorting the tip. It'll need relaxing very carefully and teasing out ... which I am a bit reluctant to do if we can get the det any other way. I will take some detailed photos when I can and post them for the experts to judge Manager of the UK Species Inventory in the Angela Marmont Centre for UK Biodiversity at the Natural History Museum, London. |
sd |
Posted on 29-04-2012 10:37
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Member Location: Suffolk, UK Posts: 892 Joined: 11.10.07 |
Phil needs to collect some more |
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ChrisR |
Posted on 29-04-2012 11:29
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Administrator Location: Reading, England Posts: 7699 Joined: 12.07.04 |
Definitely - a nice series would help Phytomyptera are seldom encountered in the field (probably just under collected) but the recent discovery of zonella and minutissima does make me think that we should re-examine old material to make sure that we haven't missed others.
Manager of the UK Species Inventory in the Angela Marmont Centre for UK Biodiversity at the Natural History Museum, London. |
ChrisR |
Posted on 04-05-2012 21:29
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Administrator Location: Reading, England Posts: 7699 Joined: 12.07.04 |
Well, I have relaxed it and that enabled me to re-mount it and manipulate the abdomen so that I could see the sternites and it is very definitely Phytomyptera nigrina
Manager of the UK Species Inventory in the Angela Marmont Centre for UK Biodiversity at the Natural History Museum, London. |
philporter |
Posted on 05-05-2012 11:43
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Member Location: Lincoln UK Posts: 554 Joined: 07.02.07 |
Thanks for all your trouble Chris. Data - 22/4/12 Whisby Nature Park, Lincoln SK 92430 66919 caught by Richard Davidson Regards Phil |
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ChrisR |
Posted on 05-05-2012 15:23
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Administrator Location: Reading, England Posts: 7699 Joined: 12.07.04 |
Thanks Phil - nice record - keep it up!
Manager of the UK Species Inventory in the Angela Marmont Centre for UK Biodiversity at the Natural History Museum, London. |
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