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Board index » Sezione sistematica » Hymenoptera Symphyta » Tenthredinidae

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Pteronidea tibialis (Newman, 1837) - Tenthredinidae

19.VI.2011 - ITALY - Toscana - LI, Campo nell'Elba (LI) - M.te Perone 400mt


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FORBIX
PostPosted: 21/06/2011, 20:07 
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Joined: 17/02/2009, 0:05
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Location: Isola d'Elba - Arcipelago Toscano
Nome: Leonardo Forbicioni
Con questi passo direttamente la palla......ma sono sicuro che c'è un nostro comune amico, bravissimo, che lo determinerà!!

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Dadeterminare29.JPG


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D & JP Balmer
 Post subject: Re: Tenthredinidae ????
PostPosted: 21/06/2011, 22:02 
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Location: Donzy (Bourgogne : Dipart. Nièvre) - Francia
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Nematinae
... Pteronidea sp ??
For know the genus, it would be necessary , to know its length,and to examine the insect .

D & JP Balmer
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gomphus
 Post subject: Re: Tenthredinidae ????
PostPosted: 21/06/2011, 22:13 
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ciao leonardo

dove l'hai trovato, ci sono robinie?

perché in questo caso, considerando le zampe chiare con tibie post. nere, un'ideuzza ce l'avrei ;) ...

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FORBIX
 Post subject: Re: Tenthredinidae ????
PostPosted: 21/06/2011, 22:29 
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Location: Isola d'Elba - Arcipelago Toscano
Nome: Leonardo Forbicioni
Intendi Mimosa o Acacia!!?
Se intendi l'Acacia, direi di no, non ce ne sono, se non qualcuna, ma piuttosto sporadica, ci sono invence un discreto numero di maledette Mimose (Acacia dealbata) che stanno pian piano impossessandosi di una parte del territorio del M.te Perone.

....dimenticavo le dimensioni ;) ;) 7mm

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gomphus
 Post subject: Re: Tenthredinidae ????
PostPosted: 21/06/2011, 22:45 
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ciao leonardo

no, intendevo Robinia pseudoacacia :oops: ...

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D & JP Balmer
 Post subject: Re: Tenthredinidae ????
PostPosted: 21/06/2011, 22:59 
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Ciao,
? Pteronidea tibialis Newman 1837 (cf) .
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gomphus
 Post subject: Re: Tenthredinidae ????
PostPosted: 21/06/2011, 23:10 
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c'est exactement ce que je pensais :D ...

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D & JP Balmer
 Post subject: Re: Tenthredinidae ????
PostPosted: 21/06/2011, 23:18 
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gomphus wrote:
c'est exactement ce que je pensais :D ...
Merci !
D & JP Balmer

NB : I added (cf) because the last tergite should be completely yellow (here there is a black spot)
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gomphus
 Post subject: Re: Tenthredinidae ????
PostPosted: 21/06/2011, 23:45 
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D & JP Balmer wrote:
... NB : I added (cf) because the last tergite should be completely yellow (here there is a black spot)
D & JP Balmer

oui, mais l'abdomen est en effet quelque peu replié en bas, et le dernier segment paraît bien être jaune sans taches

en tout cas, je ne connais pas dans la faune européenne d'autres Pteronidea, ni d'ailleurs d'autres Nematinae, ayant les pattes claires mais avec les tibias postérieures noires en entier

c'est pourquoi je crois s'agir de Pteronidea tibialis [note: les renseignements à suivre sont pour nos amis qui ne connaissent pas fort bien les symphytes ;) ], espèce du nord de l'amérique inféodée à Robinia pseudoacacia, introduite et naturalisée en europe

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gomphus
PostPosted: 22/06/2011, 0:43 
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bien, en insérent la détermination, j'ai conservé Pteronidea comme genre séparé de Nematus, bien que fauna eur affirme le contraire

mais, ça va sans dire, je suis bien prêt à accepter toute critique sur cela

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FORBIX
PostPosted: 22/06/2011, 1:21 
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Siete davvero dei fenomeni!!!!! :hp: :hp: :hp: :hp:
GRAZIE! :lov2: :lov2: :lov2: :lov2:

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D & JP Balmer
 Post subject: Re: Tenthredinidae ????
PostPosted: 22/06/2011, 10:42 
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D & JP Balmer wrote:
gomphus wrote:
c'est exactement ce que je pensais :D ...
...
NB : I added (cf) because the last tergite should be completely yellow (here there is a black spot)...
Ciao,
cette remarque sur (cf) avait été annulée ensuite, mais apparement mon message pour ce faire n' a pas été envoyé (j'ai dû faire une "fausse manoeuvre" !) .
Saluti.

D & JP Balmer
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