Given the question: Facts:   - residence: quebec city city , ottawa , montreal , new york    - known for: entomological work , magazine editor    - influences: henry holmes croft    - field: natural history      - author abbrev zoo: couper    - name: william couper    - citizenship: american    - influenced: léon abel provancher , charles-eusèbe dionne   Based on these bullet points, write a short biography describing the life of william couper -lrb- naturalist -rrb- .
The answer is:
william couper -lrb- fl .1850s-1886 -rrb- was an american entomologist and naturalist who came to prominence during the later half of the 19th century in canada .the better known period of his life spans from the 1850s to 1886 .