Johan Wilhelm Zetterstedt
Swedish naturalist (1785–1874) / From Wikipedia, the free encyclopedia
Johan Wilhelm Zetterstedt (20 May 1785 – 23 December 1874) was a Swedish naturalist who worked mainly on Diptera and Hymenoptera.
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Johan Wilhelm Zetterstedt (20 May 1785 – 23 December 1874) was a Swedish naturalist who worked mainly on Diptera and Hymenoptera.