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You are right but here is an expert opinion from David Notton at the Natural History Museum, London "Assuming this is a Hungarian specimen or at least Palaearctic, it's most likely a species belonging to the genus Proctotrupes, on account of the metasoma being reddish basally. The species can be identified in Townes & Townes world revision, should your friend :p:p still have the specimen. From the terminalia, it looks like a male. These are fairly common parasities of beetle larvae." Robert