Nikolay Grigoryevich Yershov
Nikolaj Grigor'jevitsch Erschov, also spelled Erschoff (Russian: Николай Григорьевич Ершов) (b. 23 April 1837, Moscow; d. 12 March 1896, Saint Petersburg) was a Russian entomologist mainly interested in Lepidoptera.
Read more about Nikolay Grigoryevich Yershov: Works, Collection