Isognathus rimosa, the rimosus sphinx, is a moth of the family Sphingidae. The species was first described by Augustus Radcliffe Grote in 1865.
It is known from tropical climates from northern Brazil north through Central America, the West Indies and Mexico to southern Arizona.
The wingspan is 70âÂÂ102 mm.
There are multiple generations per year in the tropics. In Arizona, adults have been recorded in August. They feed on flower nectar, including petunias.
The larvae have been recorded feeding on Plumeria rubra in Cuba and Plumeria alba, Plumeria obtusa and Plumeria rubra in Puerto Rico.