[Syrphidae] Ferdinandea nigrifrons from Eastern Palaearctic

[ximo mengual sanchis]

Dear all,

It is me again with another petition. I am very interested to see the
so-called *Fedinandea nigrifrons *from South Korea and China. If you have
specimens that you can bring to the ISS13, I would highly appreciate the
opportunity to study them.

Many thanks in advance,

Ximo
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