Theretra yulia
Diagnostic description:
Very similar to the sympatric Theretra indistincta manuselensis but differing in the following characters: larger (males of Theretra yulia are almost as large as females of Theretra indistincta manuselensis); forewing upperside ground colour less green (more olive brown) than Theretra indistincta manuselensis); metanotum wiht large rusty brown subdorsal patches; and first abdominal segment with larger, square, black lateral patches.