Forum Entomologi Italiani

Capture in Cne : Montsauche (Dépt. Nièvre) - 28 VI 2009
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Biblio (main) :
- Benson 1958 : RES - Handbooks ... Symphyta ... Vol. VI 2(c)

http://www.royensoc.co.uk/sites/default ... art02c.pdf

- Berland 1947 : Faune de France ... Hymenoptera Tenthredoïdes

http://www.faunedefrance.org/bibliotheq ... doides.pdf

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* Determination of sub-Family Nematinae (with radial Cell not divided), see :

viewtopic.php?f=370&t=21255

* Determination of Genus :

The remarkable extension of 1st article of Tarsi 3 and the apical extension of Tibiae 3 leaves no doubt with the Genus : Craesus (= Croesus)

* Determination of species :

The Labrum is entirely whitish and the Forewings are (except the stigma) entirely hyaline (no zone darkened under the stigma), thus alniastri (= varus).
[All other species of the Genus have not these characteristics]

Of where the determination
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alniastri was also captured in Italy