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Hello
Collected in the same station, the same day and on the same woods. These two species coexist.
Collected in the Durance "ripisylve" forest in the Alps on May 16.

Andrenosoma cyrtoxys
On live cyrtoxys, the red tergites are clearly visible, but as they dry the tergites darken.

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genitalia cyrtoxys

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Andrenosoma bayardi

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genitalia bayardi

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Thanks for sharing! I received both species too from the Spanish Pyrenees. Now try to add A albibarbe

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Andrenosoma albibarbe is easy to find in the Alps. It remains to be found in Andrenosoma with red tergites Andrenosoma leucogenys. But for this last species, I have not found any info on the ecological environment where it is found.

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genitalia albibarbe

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Thanks!!! I included this conversation to my favorites :-)

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Nice Christophe!
Thanks for sharing these very interesting pictures, really usefull.
Jonas