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Galleria Tassonomica
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Natura Mediterraneo
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 Nota! La determinazione degli insetti necessita quasi sempre di un'indicazione geografica e temporale precisa.
Invitiamo quindi gli utenti ad inserire questi dati ogni volta che viene richiesta una determinazione o viene postata una foto di un insetto. I dati forniti dagli utenti ci consentiranno anche di attribuire un valore scientifico alle segnalazioni, contribuendo a migliorare e integrare le attuali conoscenze sulla distribuzione delle specie postate.
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dtvd
Utente Super
Città: Avigliana
Prov.: Torino
Regione: Piemonte
6040 Messaggi
Tutti i Forum |
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Klaas Reißmann
Utente Senior
Città: Kamp-Lintfort, Nordreno-Vestfalia
Regione: Germany
1614 Messaggi
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 Inserito il - 27 maggio 2013 : 00:07:52
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That's Curculio venosus.
Ciao
Klaas |
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dtvd
Utente Super
Città: Avigliana
Prov.: Torino
Regione: Piemonte
6040 Messaggi
Tutti i Forum |
Inserito il - 27 maggio 2013 : 08:30:56
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I had read that it was recognized by the scutellum stretched.
But I did not know compared to what, or to whom.
thanks Klaas
 Vincenzo |
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Klaas Reißmann
Utente Senior
Città: Kamp-Lintfort, Nordreno-Vestfalia
Regione: Germany
1614 Messaggi
Tutti i Forum |
Inserito il - 27 maggio 2013 : 20:01:32
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Ciao Vincenzo,
just try to compare four species': Curculio glandium, curculio nucum, Curculio venosus and Curculio pellitus (use the kerbtier.de pages the comparison-modul) (Link ). Click on "slots of comparison" the one with the four fields to choose the comparison of four species. Type in "Curculio glandium", click on "search" and a small thumbnail appears in the field bellow, click on "A" at the right side and a bigger photo of Curculio glandium appears in the first field left down under (you have to scroll). Type in "Curculio nucum", click on "search" and another small thumbnail will appear in the small field bellow (changing, you will always have only one thumbnail in this field). Click on "B" and a bigger photo of curculio nucum will appear in the second field right down under. Go on with the other two species' in the same way, using the field "C" and "D".
And than try to compare. Take a look at the scutellum and you will see, that C. glandium and C. nucum has got a scutellum as long as wide (the Curculio glandium is taken in a bad perspective, that's why it looks much wider than long) and C. venosus and C. pellitus have got a scutellum between twice to three times longer than wide. That's because of the hairs on the scutellum. You can even see, that C. nucum and C. glandium have got very long and thin legs, C. pellitus and C. venosus much stronger and shorter legs.
Any questions? Don't hasitate to ask.
Ciao
Klaas |
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dtvd
Utente Super
Città: Avigliana
Prov.: Torino
Regione: Piemonte
6040 Messaggi
Tutti i Forum |
Inserito il - 27 maggio 2013 : 23:37:02
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Ciao Klaas, I state that Link is one of the programs
Research from my favorite, maybe it was also the first that allowed me to get into an unknown world.
I like it for its simple concrete Teutonic perhaps?
However, I have always used as a comparison with my photos
to locate them. Now I have tried to compare the various species,
according to your explanation, but I had some problems.
I can not insert four curculionidae despite having selected the four boxes.
I also tried with other weevils but at best are
managed to enter the three. may be due to problem Quach
in my computer.
However, it is very interesting, and I think they will use it,
although I doubt that is able to distinguish all the diversity.
Vincenzo
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Klaas Reißmann
Utente Senior
Città: Kamp-Lintfort, Nordreno-Vestfalia
Regione: Germany
1614 Messaggi
Tutti i Forum |
Inserito il - 28 maggio 2013 : 05:39:58
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Ciao Vincenzo,
| However, it is very interesting, and I think they will use it,
although I doubt that is able to distinguish all the diversity. |
you're right. But that pages are not made to distinguish all the diversity, but to help to learn to separate. There are to many species' you can't separate just by photos. For many you will need much better photos than you can get in most cases, and from much more perspectives than people normally take photos of.
But the pages show you f.e. by using kind of traffic light below the thumbnails (using red for impossible, yellow for hard to identify and green for ID easily possible) where it is possible and where not (not telling you, that in some or many cases you will make it with a lot of experience). And it gives you all the help to understand different characters and what to look for. You will never distinguish diversity just by photos, but you can learn to distinguish a lot of it.
The program itself has got a fault: using four fields in "slots of comparison" shows you to use the fields "A", "B", "D" and "E". But you really have to use "A", "B", "C" instead of "D" and "D" instead of "E".
I do know there are programs in the net, that would give me the possibility to see your computer screen and to work your mouse. But I don't know where I can find those. If you know where and if you're trusting in me, I would do that together with you and to show you how it works.
Maybe I should ask Christoph if he can make a modul that keeps a choice for a while, to send the link over to someone else so he can use it until time runs out. I have a look.
Ciao
Klaas |
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dtvd
Utente Super
Città: Avigliana
Prov.: Torino
Regione: Piemonte
6040 Messaggi
Tutti i Forum |
Inserito il - 28 maggio 2013 : 15:08:46
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Ciao klaas, that's what they were for the colors under the picture!
The trouble is that I quarrel with the computer there, we do not understand.
(but maybe it will be my fault that I do not say the right things)
However, even so I consult it very useful, so
I can "play" to make the expert, to try to avoid
possibly bludgeoned the real experts who are you.
Thanks again for the recommendations.
Vincenzo |
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Klaas Reißmann
Utente Senior
Città: Kamp-Lintfort, Nordreno-Vestfalia
Regione: Germany
1614 Messaggi
Tutti i Forum |
Inserito il - 28 maggio 2013 : 20:10:26
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I asked Christoph for a function to keep the choice for a while and he seem to like this idea. so far we just have to wait how much work that is. When we do have that one, I can freeze the choices and show you by giving a link. 
Ciao
Klaas |
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