Tetracona is a genus of snout moths in the subfamily Spilomelinae of the family Crambidae.

The genus was described by Edward Meyrick in 1884 with Aediodes amathealis Walker, 1859 as type species.

[3] The genus is placed in the tribe Agroterini based on the structure of the uncus, featuring a broad base and simple chaetae on the uncus head, a well-developed medial process of the gnathos, the rectangular, elongate valvae with parallel costal and ventral margins, and the notably elongate saccus (at least in T.

[4] The genus with its three species is known from Australia, New Guinea and China.

[5][6] The caterpillars of Tetracona amathealis are recorded from Eucalyptus tereticornis in the Myrtaceae.