Date of Birth: 
Place of Birth: Dresden, Saxony, Germany
About Hans Kotzsch
- Hans Kotzsch (24 April 1901, Dresden (Loschwitz) - 25 July 1950 Dresden (Blasewitz)) was a German entomologist who specialised in Lepidoptera. From 1925 Kotzsch owned the entomological dealership "Hermann Wernicke" in Dresden.
- From here he sold insects collected on his many collecting trips (Rybachy Peninsula (1933), Armenia (1934), Hindu Kush (1936), Iran and Afghanistan (1939) Turkey and China.
- Many of his specimens are in Museum Alexander Koenig in Bonn and in Museum für Naturkunde Berlin. In 1948 two years before his death he purchased the business collection "Staudinger" - Bang-Haas from the widow of Otto Bang-Haas.
- Like most dealers of his time Kotzsch described many new subspecies of "exotic" butterflies, particularly from South America.
- Most are these are unsound but his taxonomic work on Palaearctic fauna is much better.
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