(Malgassesia seyrigi)
Malgassesia seyrigi is a moth of the family Sesiidae. It is known from northern Madagascar. The wingspan of this species is 17 mm with a length of the forewings of 8 mm. The forewings are blackish, hindwings are hyaline (glass like). The holotype was collected by A. Seyrig at the Montagne d'Ambre.