Johan George Betrem (1899 in The Hague – 1980) was a Dutch entomologist and phytopathologist who worked in Java from 1930–1945.
He is best known for his work on Scoliidae (Betrem J.G., 1928.
Monographie der Indo-Australischen Scoliiden mit zoogeographischen Betrachtungen.
Treubia 9 (suppl.
Vol.)