Udea platyleuca is a moth of the family Crambidae. It is endemic to the Hawaiian islands of Oahu, Molokai, Maui and Hawaii.
The larvae feed on Touchardia latifolia and Urera sandwicensis.
. Elwood Zimmerman . 1958 . Insects of Hawaii . 8 Lepidoptera: Pyraloidea . University of Hawaii Press. 10125/7337 .