Capture in France : Cne Arleuf (Dépt. Nièvre - Alt. 830 m.) - 20 IV 2011
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Biblio :
- Benson 1952 : RES - Handbooks ... Symphyta ... Vol. VI 2(b)
- Zhelokhovtsev 1988 : in Medvedev (Ed.) - Keys ... USSR. III. Hym. Part 6 Symphyta (Translation in English 1994)
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Det. of Genus, see : viewtopic.php?f=375&t=38250&hilit=+empria
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Det. of species :
1 - Eyes long oval (see laterally) [if almost round, then immersa or fletscheri] --> 2
2 - Hindwing with a median Cell [if without, then candidata] --> 3
3 - Claws with a long inner tooth (I was not able to make a good photo) [if Claws simple, then baltica or pumila] --> 4
4 - Tergite 6 with clear spots & hyaline Wings [if not, then sexpunctata (= klugii) or parvula] --> 5
5 - Tergite 7 without clear spots [if with clear spots, then alpina] --> 6
6 - Clypeus not deeply excised in front and Tibiae 2 dorsally not black (see photo) [if deeplys and Tibiae 2 dorsally black, then excisa] --> 7
7 - Lg. Antennal segment 8 > 3 times its width (see photo) [if <, then liturata]
Besides longicornis & alector have the Tergite 6 without clear spot,
Of where the determination of tridens, Also captured in Italy
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