ArthromastixArthromastix is a genus of moths of the family Crambidae. It contains only one species, Arthromastix lauralis, which is found in Central America, South America, as well as the Dominican Republic and Cuba.DescriptionThe forewings are yellowish white with a broad cupreous-brown border and a yellow marginal line.Behaviour and ecologyThe larvae feed on Trichostigma octandrum.