Marimatha squala  Marimatha squala is a moth of the family Noctuidae. It is found from Arizona, southward to Costa Rica. Flight season is  Adults are on wing from mid-July to mid-August in Arizona and from late May in Costa Rica. The species name is derived from the shark genus "Squalus" in reference to the sharkfin-like process on the dorsal margin of the male valva.