Adolph Hempel (10 April 1870 – 4 November 1949) was an American entomologist who worked and became a citizen in Brazil. He was involved in cataloguing the insects of the region and worked on agriculturally important insects and their management. He also took some interest in the birds. Hempel was born in

Buffalo, Ohio Buffalo, Ohio may refer to: * Buffalo, Guernsey County, Ohio Buffalo is an unincorporated community and census-designated place in eastern Valley Township, Guernsey County, Ohio, United States. As of the 2020 census it had a population of 373. ...

and graduated from the

University of Illinois, Urbana The University of Illinois Urbana-Champaign (U of I, Illinois, University of Illinois, or UIUC) is a public land-grant research university in Illinois in the twin cities of Champaign and Urbana. It is the flagship institution of the Universit ...

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

Museu Paulista The Museu Paulista of the University of São Paulo, commonly known as Museu do Ipiranga, is a Brazilian history museum located near the place where Emperor Pedro I proclaimed Brazil's independence on the banks of Ipiranga brook in the Southeast ...

. He also worked for the Campinas Agronomic Institute. He was involved in the identification of pest insects. In 1929 he introduced a wasp '' Prorops nasuta'' from Uganda to control the coffee berry borer ''

Hypothenemus hampei ''Hypothenemus hampei'', the coffee berry borer or coffee borer beetle, is a small beetle native to Africa. It is among the most harmful pests to coffee crops across the world where coffee is cultivated. Spanish common names of the insect include ...

''. Hempel took a special interest in the

Coccoidea Scale insects are small insects of the order Hemiptera, suborder Sternorrhyncha. Of dramatically variable appearance and extreme sexual dimorphism, they comprise the infraorder Coccomorpha which is considered a more convenient grouping than the ...

and described numerous species. He retired in 1938, leaving behind an extensive collection. He published extensively covering a wide range of insect taxa. He also took some interest in other fauna and collected a number of bird specimens.

References

{{DEFAULTSORT:Hempel, Adolph 1870 births 1949 deaths Brazilian entomologists