Nygmia icilia is a moth of the family Erebidae first described by Caspar Stoll in 1790.

Forewings are bright orange yellow and covered with slightly powdered black scales.

the palpi are porrect (extending forward) and reach beyond the frons.

[3] The caterpillar is dull black with yellow longitudinal bands and is marbled with brown.

[4] The caterpillar is known to feed on Dendrophthoe glabrescens, Loranthus[5] and Mallotus paniculatus.