Isocentris filalis is a moth of the family Crambidae described by Achille Guenée in 1854.

It is found in Cameroon, Comoros, the Democratic Republic of the Congo, Réunion, Madagascar, Mauritius, Togo[2] Indonesia (Java), Myanmar and Taiwan.

Adults are bright yellow.

The larvae feed on Euphorbia virosa and Flueggea virosa.

[3] This Pyraustinae-related article is a stub.