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I have caught Abrachyglossum capitatum and am writing an article about the find. I'd like to have more than just the original description of Loewe and the key of Krober, but am unable to find any literature.
There surely must be more because recently it seems that the species has been moved to the genus Leopoldius. That is at least the case in Mark van Veens' online key.

Can anyone help me obtain more literature about this Conopid?

Thanks in advance,

Ectemnius