However this marbling is darker in A. squaliolus in comparison to the lighter coloured A. fortis.

The adult moths are on the wing in November and December and have been observed flying at dusk.

[2] The male holotype was collected by George William Gibbs as a larva on Rangatira Island and raised to adulthood.

[1] They are similarly patterned to the larvae of A. fortis and have lateral yellow markings that contrast with the dark dorsal marbling.

[1] Adults have been observed flying at dusk in the vicinity of their larval host-plant.