Bernt Wilhelm Westermann [SEP] date of birth
Bernt Wilhelm Westermann
Bernt Wilhelm Westermann (1781 in Copenhagen – 1868) was a wealthy Danish businessman who collected insects.
An amateur insect collector Westermann travelled to Calcutta (India) and later to Jakarta (Indonesia) as an employee of an English business firm.
At the Cape of Good Hope, in Bengal and Java he collected insects for English and Dutch friends, amongst others for Thomas Horsfield. In 1817 he returned to Copenhagen becoming a shipowner and owner of a sugar-refinery at Slotholmsgade in Copenhagen.
introduced too few of these but the full extent of diversity of world Diptera was not then apparent.The work includes descriptions of Diptera collected by Ferdinand Deppe in Mexico.
Wiedemann, in his studies of the Fabrician) species was careful to consider only Fabricius specimens identified by their labels in Fabricius’ hand. This is at the core of the modern concept of type specimens.
He made his studies as comprehensive as possible, studying the collections of Wilhelm Von Winthem and Bernt Wilhelm Westermann and studied the collections in Copenhagen,