The Marine Blue or Striped Blue (Leptotes marina) is a butterfly of the Lycaenidae family. It is found in from South America through Mexico up to Southern Texas, Arizona and California. The wingspan is 22–29 mm. Adults are on wing from April to September in the north and all year round in south. The larva feed on Astragalus, Amorpha californica, Acacia greggii, Dalea purpurea, Dolichos lablab, Galactia, Glycyrrhiza lepidota, Prosopis glandulosa, Lysiloma thornberi, Lathyrus odoratus, Medicago sativa, Lotus scoparius dendroides, Phaseolus, Wisteria sinensis and Plumbago.