Diptera.info :: Identification queries :: Diptera (adults)
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 Dolichopus sp.
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| valter |
Posted on 26-11-2007 08:52
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 Member Location: Faro, Portugal Posts: 1995 Joined: 09.07.07 |
Location: Portugal (south) Date Phot Taken: November 25, 2007 
Edited by valter on 05-02-2014 20:05 |
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| Kahis |
Posted on 26-11-2007 09:16
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 Member Location: Helsinki, Finland Posts: 1999 Joined: 02.09.04 |
Dolichopus (Dolichopodidae)
Kahis |
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| valter |
Posted on 26-11-2007 09:29
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Member Location: Faro, Portugal Posts: 1995 Joined: 09.07.07 |
Which Species? In Portugal there are 4: D. pennatus D. diadema D. strigipes D. vitripennis Which of Them?  |
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| Paul Beuk |
Posted on 26-11-2007 12:24
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 Super Administrator Location: Netherlands Posts: 19382 Joined: 11.05.04 |
Undoubtedly there will be more than four Dolichopus species in Portugal.
Paul - - - - Paul Beuk on https://diptera.info |
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| valter |
Posted on 26-11-2007 12:38
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Member Location: Faro, Portugal Posts: 1995 Joined: 09.07.07 |
Paul Beuk wrote: Undoubtedly there will be more than four Dolichopus species in Portugal. I found only 4 at Fauna Europaea: http://www.faunae...bution.php Info: Fauna Europaea was supported by the European Commission. |
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| Paul Beuk |
Posted on 26-11-2007 13:05
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Super Administrator Location: Netherlands Posts: 19382 Joined: 11.05.04 |
valter wrote: I found only 4 at Fauna Europaea: http://www.faunae...bution.php Info: Fauna Europaea was supported by the European Commission. 1. Fauna Europaea is only as good as the data supplied by the specialists and may not have been updated recently. 2. The fact that the EU sponsered the project is no guarantee that everything is correct. 
Paul - - - - Paul Beuk on https://diptera.info |
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| valter |
Posted on 26-11-2007 14:47
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Member Location: Faro, Portugal Posts: 1995 Joined: 09.07.07 |
Paul Beuk wrote: Undoubtedly there will be more than four Dolichopus species in Portugal. How did you know that? What are your sources? |
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| Paul Beuk |
Posted on 26-11-2007 15:29
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Super Administrator Location: Netherlands Posts: 19382 Joined: 11.05.04 |
Common sense. Carles Tolra mentions 25 species for a relatively underrecorded country like Spain. Makes it hard to believe that an even more underrecorded country like Portugal would only have 4 species. http://www.sea-en...MSEA08.pdf Paul - - - - Paul Beuk on https://diptera.info |
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| Kahis |
Posted on 26-11-2007 15:29
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Member Location: Helsinki, Finland Posts: 1999 Joined: 02.09.04 |
valter wrote: Paul Beuk wrote: Undoubtedly there will be more than four Dolichopus species in Portugal. How did you know that? What are your sources? Well, considering the 28 species listed from Spain in Fauna Eur. I'd say it is *very* unlikely that Portugal has only four species 
Kahis |
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| ChrisR |
Posted on 26-11-2007 15:29
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 Administrator Location: Reading, England Posts: 7699 Joined: 12.07.04 |
I think Paul is working on 'common sense' and his experience of other countries in the region ... it's a pretty good educated guess Fauna Europaea is an excellent project but you do have to remember that it relies on an expert in that country sending the records in and the Iberian peninsular is quite poorly studdied - especially in the more difficult groups. So, you can't treat it as a complete species list for every European country - just what someone has seen there |
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| Xespok |
Posted on 26-11-2007 15:30
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 Member Location: Debrecen, Hungary Posts: 5550 Joined: 02.03.05 |
Well Faunaeur represents our current knowledge on the European fauna. This is far from being complete, in fact it will never be complete. For smaller countries, particularly with no major dipterological history some families are poorly known and consequently the database will not contain many species. Hungary has a relatively strong dipterological history. Yet the experts estimate that we only know 50-75% of the diptera fauna of the country. For some families the value is higher, and 100% of the fauna is known, for some families, where no extensive research was done (Most Nematocera, Phoridae etc) the number of unknown species may actually exceed that of the known species. Dolichopus is a difficult genus, and special knowledge is needed for species level ids. It is possible that in Portugal no dipterist ever worked with that family. Maybe some visitors collected some samples, which yielded only those four species. This does not mean that you could not add another 10 species in one year, if you focused on identifying and recording Dolichopus spp. Edited by Xespok on 26-11-2007 15:32 Gabor Keresztes Japan Wildlife Gallery Carpathian Basin Wildlife Gallery |
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| Kahis |
Posted on 26-11-2007 15:32
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Member Location: Helsinki, Finland Posts: 1999 Joined: 02.09.04 |
Wow, talk about overkill. It is a female which makes identification from a photo difficult. It could be Dolichopus pennatus, but it has several close relatives in the region. Kahis |
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| Kahis |
Posted on 26-11-2007 15:36
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Member Location: Helsinki, Finland Posts: 1999 Joined: 02.09.04 |
Xespok wrote: Dolichopus is a difficult genus, and special knowledge is needed for species level ids. Not so!  In my opinion Dolichopus is among the easier flies to identify, especially considering the size. Many species can be identified in the field, and nearly all species 'at glance' in the lab. Females are less trivial, but still identifiable with few expections. You are right about the special knowledge part, but isn't that true for any animal group?
Kahis |
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| valter |
Posted on 26-11-2007 17:31
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Member Location: Faro, Portugal Posts: 1995 Joined: 09.07.07 |
Size: Small Fly See the real size on the leaf: valter attached the following image:  [163.45Kb] |
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| Igor Grichanov |
Posted on 27-11-2007 11:29
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 Member Location: St.Petersburg, Russia Posts: 1727 Joined: 17.08.06 |
East Mediterranean has 84 species of Dolichopus (Grichanov, I.Ya. 2007. A checklist and keys to Dolichopodidae (Diptera) of the Caucasus, http://www.diptera.info/downloads.php?cat_id=8). I think about the same numbers are present in West Mediterranean. Regarding your picture, it seems that Wing with at least first bend of M1+2 rectangular, and Hind basitarsus with only one dorsal seta. If so, then this very common and widespread in Mediterraneans is most probable. Dolichopus griseipennis Stannius, 1831: Isis (Oken) 1831: 49 ** Type locality: France: Lyon. Palaearctic: Algeria, ?Armenia, Azerbaijan, Austria, Belgium, Bulgaria, Bosnia and Herzegovina, Croatia, Cyprus; Czech, Denmark, Estonia, Finland, France, Georgia, Germany, Great Britain, Greece incl. Crete; Hungary, Ireland, Israel; Italy, N Kazakhstan, Lithuania, Luxembourg, ?Macedonia, Morocco, Netherlands, Norway, Poland, Romania, Russia: Adygea, Krasnodar, Moscow; Slovakia, ?Slovenia, Spain incl. Balearic Is., Sweden, Switzerland, Tunisia, Turkey, Yugoslavia; Middle Asia * Igor Grichanov |
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