Ewald Heinrich Rübsaamen

Ewald Heinrich Rübsaamen (20 May 1857, Haardt – 17 March 1919, Metternich) was a German teacher, artist, and amateur entomologist who studied gall forming insects, especially the gall midges (Cecidomyiidae), and worked on pest control in grapes, most importantly on Phylloxera.

After school at Weidenau, Ewald entered the gymnasium in Siegen and in 1875 went to study mathematics at the Technical College in Karlsruhe.

He took a special interest in gall insects including midges and related nematoceran flies.

[1] In 1891, following the death of his father, the family moved to Berlin and he worked at the Plant Physiology Institute while also attending the Royal Art School.

In 1909 he headed the state phylloxera control unit in Rhineland and was titled a professor in 1912 by the Ministry of Agriculture.