Udea constricta is a moth of the family Crambidae. It is endemic to the Hawaiian islands of Kauai, Oahu and Molokai.
The larvae feed on Scaevola species, including Scaevola chamisoniana, Scaevola gaudichaudii and Scaevola tnollis.
. Elwood Zimmerman . 1958 . Insects of Hawaii . 8 Lepidoptera: Pyraloidea . University of Hawaii Press. 10125/7337 .