Perittia passula is a moth of the Elachistidae family. It is found in California, United States. The length of the forewings is 3–4 mm. The ground color of the forewings is light gray, densely mottled with dark gray tips of scales. The hindwings and underside of the wings are gray. The larvae feed on Lonicera hispidula. They mine the leaves of their host plant. Pupation takes place in a dense cocoon, made under the epidermis of a twig of the host plant.