Udea chytropa is a moth of the family Crambidae. It is endemic to the Hawaiian islands of Kauai and Oahu.
The larvae feed on native Hibiscus species. They feed between webbed leaves of the host plant.
. Elwood Zimmerman . 1958 . Insects of Hawaii . 8 Lepidoptera: Pyraloidea . University of Hawaii Press. 10125/7337 .