Biblio.
- Benson : RES - Handbooks ... Symphyta ... Vol. VI 2(b) - 1952
- Blank & Ritzau : Die Tenthredopsini Deutschlands p.234/238 (in Pflanzenwespen Deutschlands ... Edit. Goecke & Evers . 1998)
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Ciao,
n° 2759 (♀) captured at an altitude of about 560 m. in Cne : Mesnay (Dépt. Jura - France) - 25.06.1993
One uses the keys (which I already sent to the forum) here after :
download/file.php?id=47394&mode=view and download/file.php?id=47396&mode=view
One finds that it is a Tenthredininae .
According to Benson p.109/112 : one is in the presence of a Tenthredopsis, because :
- The 1st tergite does not have a medial furrow (which I could not photo because of the poor quality of my camera)
Now I will take the keys of Blank & Ritzau :
One observes that :
- - The clypeus is regularly emarginated (See the photo)
- The antennae are not black
- If not : T. tarsata or T. tischbeinii
- (See the poor photograph made through my binocular magnifying glass)
and compare with the hypopygium of T. litterata ♀ : thumb.php?id=51224&size=800
- If not : T. sordida ♀
- Caution : The color of this species can vary of more clear at blackest, with more or less of red on the abdomen; in case of doubt it will then be necessary to examine the sexual organs
Thus :
Tenthredopsis nassata (Linnaeus 1767) ♀ Che vive anche in Italia .
..... OK ?
Saluti.
D & JP Balmer
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