Education
University of Vienna.
University of Vienna.
He obtained a doctorate at the University of Vienna in 1904 and taught in Vienna from 1904 to 1907. He then taught at Brüx from 1907 to 1910, at Brünn from 1910 to 1913 and again at Vienna from 1918 to 1936. He published the first modern monograph on Braconidae: Opuscula braconolocica (4 parts, 1925-1937).
A specialist in this group, he wrote many other scientific papers on them and other parasitic Hymenoptera.