Complex sentence: However, this island group is considered unlikely to be the home range of this moth and it most likely originated in island groups to the west of Fiji; this is supported by the fact that although only known from Fiji, no native parasite existed there.
Split into simpler sentences: However, this island group is most likely not the home range of this moth and it likely originated in island groups to the west of Fiji. This is supported by the fact that although only found in Fiji, no native parasite existed there.