Orthomecyna is a genus of moths of the family Crambidae. All species are endemic to Hawaii. Species Orthomecyna albicaudata Butler, 1883 Orthomecyna alloptila Meyrick, 1899 Orthomecyna amphilyca Meyrick, 1899 Orthomecyna aphanopis Meyrick, 1888 Orthomecyna chrysophanes Meyrick, 1899 Orthomecyna crossias Meyrick, 1899 Orthomecyna epicausta Meyrick, 1899 Orthomecyna exigua Butler, 1879 Orthomecyna exigua cupreipennis Orthomecyna exigua exigua Orthomecyna heterodryas Meyrick, 1899 Orthomecyna mesochasma Meyrick, 1899 Orthomecyna metalycia Meyrick, 1899 Orthomecyna phaeophanes Meyrick, 1899 Orthomecyna picrodes Meyrick, 1899 References Natural History Museum Lepidoptera genus database Crambinae Endemic moths of Hawaii Crambidae genera Taxa named by Arthur Gardiner Butler