I don't think there is any way to tell the species/cocoons apart unless there is a suitably marked male attending a female on it or emerging from it. https://inaturalist.ala.org.au/observations?place_id=6744&preferred_place_id=6744&q=cocoon&taxon_id=417820 https://inaturalist.ala.org.au/observations?place_id=6744&preferred_place_id=6744&q=cocoon&taxon_id=417821 Anestia ombrophanes (Clouded Footman) Anestia ombrophanes (Clouded Footman)