Adolph Hempel

Adolph Hempel (10 April 1870 – 4 November 1949) was an American entomologist who worked and became a citizen in Brazil.

Hempel was born in Buffalo, Ohio and graduated from the University of Illinois, Urbana.

He moved to Brazil in the late 1890s and began to work at the Museu Paulista.

In 1929 he introduced a wasp Prorops nasuta from Uganda to control the coffee berry borer Hypothenemus hampei.

He published extensively covering a wide range of insect taxa.