William Dwight Pierce (November 16, 1881, Champaign, Illinois – April 29, 1967, Los Angeles)[1][better source needed] was an American entomologist.
[2] He was one of the earliest students to graduate from the Department of Entomology and Ornithology at the University of Nebraska.
He was particularly interested in insect pests, including the cotton boll weevil, and their control.
[4] During the late 1930s, he taught entomology at Glendale Junior College in Los Angeles; where he influenced Charles Anthony Fleschner, who went on to have a distinguished career in entomology at University of California, Riverside.
[5] Some materials relating to Pierce are held in the collection of the Natural History Museum of Los Angeles County.