hi Florin,

Thanks for the reply, yes, it was recorded in the Northern Italy in late September at night (around 23:00), and Eupholidoptera chabrieri for sure.

The one I'm not sure is the inaudible one shown on the spectrogram. Would you please have a look?

Thanks again!

thanks for the reply! yes, please download with the link below:

https://www.dropbox.com/scl/fi/uedt6y7u ... r6ac6&dl=0

please see attached spectrogram, really couldn't identify...