Diane E. Ullman is an entomologist known for her work on managing insect-transmitted plant pathogens.
Ullman started her education by attending the University of Arizona and receiving her B.S.
[2] Ullman retired in 2024,[3] and as of 2024 holds a position as a distinguished professor at the University of California, Davis[4] Ullman is known for her research that revolves around an insect called a thrip and the orthotospoviruses that thrips can transmit to crop plants.
An example of a virus she has worked with is the Tomato spotted wilt orthotospovirus (TSWV) which is transmitted by western flower thrips.
[5] She has also examined insect pathogens and how plants in the nightshade are affected like potatoes and tomatoes.