This has about 20 sticks , about the same as O. frauenfeldi and LBH Unidentified Psychid BJ, whereas C. lewinii normally only has up a dozen, and the sticks are more nearly the same length in C. lewinii than in this specimen, and C. lewinii normally feeds on Myrtaceae,, and I know of no records on Pittosporacae. The larva of O. frauenfeldi may use curvy sticks instead of straight sticks, and has head and thorax that are yellow with dark stripes, unlike the head and thorax of C, lewinii (and LBH Psychid BJ), which have a head and thorax that are off white with a complex pattern of dark markings. However, in NatureMapr : a number of sightings of specimens like this species have been lumped in with sightings of C. lewinii, so there is probably no harm in continuing to park them in there. I think that they really need separating out, but I dont know what to call them. Meanwhile if you can rear it to an adult moth, we might be able to dispel some of our ignorance, and a photo of the head and thorax of the larva would be interesting.