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Villanova Monteleone, Sardinia 11/06/2009

Mark van Veen writes:
1 Antennae: 3rd segment long: as long as or longer than segment 1 and 2 together -> 2
2 Tergite 3 and 4 with short hairs, shorter than the height of basitars 1, seemingly bare -> 3
3 Abdominal margin of tergites entirely yellow; antennae: segment 3 of equal length as segment 1+2 together [frons yellow] -> Chrysotoxum cisalpinum

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Antennae:

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Well.... I've never seen it, but I don't think it is cisalpinum.
Did you compare it with Chrysotoxum festivum?
Greetings and thanks for your mail about F. fumipennis!

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Thanks André
yes , I have compared: festivum (male) has black frons, side border of the abdomen yellow and black, antennae: 1°, 2° and 3° segment of equal length.
Faunaitalia signale from Sardinia (not surely reliable) only: intermedium, fasciolatum, bicinctum and cisalpinum
I am not surer than the 3° segment =1° + 2°.

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I have been checking again and must agree with your ID, even before your reply. Been away though for a few days. Anyway, it convinced me that this is cisalpinum! Hope to find it too some day, a wonderfully nice species :)
Hope you will add it for the gallery?