Filodes costivitralis, the window pearl, is a moth of the family Crambidae.

It is found in Réunion, Madagascar, Mauritius, and central, southern and eastern Africa.

[2][3] The larvae feed on Hibiscus species and Thunbergia species, including Thunbergia grandiflora.

Occasionally the adults drink tear liquid from cattle, and can be a vector of animal diseases.

This Margaroniini-related article is a stub.