skip to content

Darwin Correspondence Project

Benjamin Dann Walsh


Entomologist, farmer, and timber merchant. Student at Trinity College, Cambridge, 1827–31; fellow, 1833. Emigrated to the United States, where he farmed in Henry County, Illinois, 1838–51. Lumber merchant, Rock Island, Illinois, 1851–8. Retired from commerce in about 1858 and concentrated on entomology, making contributions to agricultural entomology. Suggested the use of natural enemies to control insect pests. Author of several papers in agricultural journals. Associate editor of the Practical Entomologist, 1865. Acting state entomologist, Illinois, 1867.


Alum. Cantab.



Alum. Cantab.: Alumni Cantabrigienses. A biographical list of all known students, graduates and holders of office at the University of Cambridge, from the earliest times to 1900. Compiled by John Venn and J. A. Venn. 10 vols. Cambridge: Cambridge University Press. 1922–54.

DAB: Dictionary of American biography. Under the auspices of the American Council of Learned Societies. 20 vols., index, and 10 supplements. New York: Charles Scribner’s Sons; Simon & Schuster Macmillan. London: Oxford University Press; Humphrey Milford. 1928–95.