Claim: The Eucrostes disparata moth was first described in 1861 by Francis Walker, an English entomologist and prolific author.
Evidence: Eucrostes disparata is a moth of the family Geometridae first described by Francis Walker in 1861. Francis Walker (31 July 1809 – 5 October 1874) was an English entomologist. He was one of the most prolific authors in entomology, and stirred controversy during his later life as his publications resulted in a huge number of junior synonyms.