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Nematus (Pteronidea) tibialis Newman, 1837 - Tenthredinidae Nematinae - Romania
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Autore:  alexaandru [ 30/08/2011, 8:56 ]
Oggetto del messaggio:  Nematus (Pteronidea) tibialis Newman, 1837 - Tenthredinidae Nematinae - Romania
I saw this nice specimen in my garden, on Juglans regia leaves. The lenght of the specimen it is (I think :roll: ) ~ 15 mm...

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Autore:  Claude54 [ 30/08/2011, 11:30 ]
Oggetto del messaggio:  Re: Symphyta - Romania
I think it is a Braconidae :hi:
Autore:  gomphus [ 30/08/2011, 22:29 ]
Oggetto del messaggio:  Re: Symphyta - Romania
hi alexandru

Claude54 ha scritto:
I think it is a Braconidae :hi:

i don't think so :D ... it is a Tenthredinidae Nematinae

alexandru, are Robinia pseudoacacia trees to be found in the vicinity? your sawfly, relatively large for a Nematinae (even suspecting the size is somewhat exaggerated), light-coloured yet with black hind tibiae, is quite reminiscent of a Nematus (Pteronidea) tibialis Newman, 1837
Autore:  alexaandru [ 31/08/2011, 15:06 ]
Oggetto del messaggio:  Re: Symphyta - Romania
gomphus ha scritto:
hi alexandru

Claude54 ha scritto:
I think it is a Braconidae :hi:

i don't think so :D ... it is a Tenthredinidae Nematinae

alexandru, are Robinia pseudoacacia trees to be found in the vicinity? your sawfly, relatively large for a Nematinae (even suspecting the size is somewhat exaggerated), light-coloured yet with black hind tibiae, is quite reminiscent of a Nematus (Pteronidea) tibialis Newman, 1837


Many thanks :birra: ....yes, here are a LOT of Robinia pseudoacacia trees :)...and about the size, is very probably exaggereted :oops:
Autore:  gomphus [ 31/08/2011, 17:51 ]
Oggetto del messaggio:  Re: Symphyta - Romania
alexaandru ha scritto:
....yes, here are a LOT of Robinia pseudoacacia trees :)...and about the size, is very probably exaggereted :oops:

:ok: :ok: :ok:

Nematus (Pteronidea) tibialis Newman, 1837
Autore:  cosmln [ 31/08/2011, 18:01 ]
Oggetto del messaggio:  Re: Nematus (Pteronidea) tibialis Newman, 1837 - Tenthredinidae Nematinae - Romania
qui, oggi e difficilmente trovare un posto senza Robinia :cry: :cry: :cry:
Autore:  alexaandru [ 31/08/2011, 21:11 ]
Oggetto del messaggio:  Re: Symphyta - Romania
gomphus ha scritto:
alexaandru ha scritto:
....yes, here are a LOT of Robinia pseudoacacia trees :)...and about the size, is very probably exaggereted :oops:

:ok: :ok: :ok:

Nematus (Pteronidea) tibialis Newman, 1837


Thank you :birra: :D :hi:
Autore:  alexaandru [ 31/08/2011, 21:17 ]
Oggetto del messaggio:  Re: Nematus (Pteronidea) tibialis Newman, 1837 - Tenthredinidae Nematinae - Romania
cosmln ha scritto:
qui, oggi e difficilmente trovare un posto senza Robinia :cry: :cry: :cry:


Unfortunatelly this is true, every year I see new Robinia sampling growing in meadows, gardens... :cry: :cry: :cry:
Autore:  gomphus [ 31/08/2011, 22:39 ]
Oggetto del messaggio:  Re: Nematus (Pteronidea) tibialis Newman, 1837 - Tenthredinidae Nematinae - Romania
alexaandru ha scritto:
cosmln ha scritto:
qui, oggi e difficilmente trovare un posto senza Robinia :cry: :cry: :cry:

Unfortunatelly this is true, every year I see new Robinia sampling growing in meadows, gardens... :cry: :cry: :cry:

unfortunately again :oooner: , Nematus tibialis is a north-american introduced, naturalized species feeding on Robinia, yet it is wholly uneffective as for control of its spreading :cry: :cry: :cry: ...
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