[5] In 1928 George Hudson discussed and illustrated this species in his book The butterflies and moths of New Zealand under the name Simaethis combinatana.
[2] In the 1979 publication Dugdale treated S. zomeuta as a separate species and placed it within the genus Asterivora.
[2] The female lectotype specimen of A. combinatana, collected in Auckland, is held at the Natural History Museum, London.
Palpi porrect, squamous, a little longer than the breadth of the head; third joint almost linear, nearly half the length of the second.
[1] This species has been observed in both the North and South Islands including at Kaeo, Waimarino, Ohakune, Wellington, Mount Arthur and the Ōtira River.
[6] Whilst at rest this species places its wings backwards and slightly lifted, with the antennae extended and the hindwings often almost hidden.
[6] When feeding off S. bellidioides they live in a silken gallery, is formed amongst the young shoots of the plant.
[6] Pupation takes place in white silken cocoons amongst the dead shoots of their host plant.