Career
He curated the Hymenoptera collections of the Natural History Museum Vienna from 1955-1994. He has described more than 1000 new species of Braconidae flies in more than 300 publications.
He curated the Hymenoptera collections of the Natural History Museum Vienna from 1955-1994. He has described more than 1000 new species of Braconidae flies in more than 300 publications.