Omiodes demaratalis, the Hawaiian grass leafroller, is a species of moth in the family Crambidae. It is endemic to the Hawaiian islands of Niihau, Kauai, Oahu, Molokai, Maui and Hawaii.

Omiodes demaratalis
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Family: Crambidae
Genus: Omiodes
Species:
O. demaratalis
Binomial name
Omiodes demaratalis
(Walker, 1859)
Synonyms
  • Botys demaratalis Walker, 1859
  • Hedylepta demaratalis
  • Nacoleia demaratalis
  • Phostria demaratalis

The larvae feed on various grasses, such as Panicum species (including Panicum purpurascens and Panicum torridum), Sporobolus virginicus, Digitaria pruriens and Paspalum conjugatum. They roll the leaves of their host plant. Full-grown larvae are 22–25 mm long and grass green.

The pupa is 12 mm long and very dark brown. The pupal period lasts about 12 days.

edit
  •   Media related to Omiodes demaratalis at Wikimedia Commons
  •   Data related to Omiodes demaratalis at Wikispecies
  • Insects of Hawaii
  • Zimmerman, Elwood C. (1958). Insects of Hawaii. Vol. 8 Lepidoptera: Pyraloidea. University of Hawaii Press. hdl:10125/7337.