Xylophanes gundlachii
Diagnostic description:
Most similar to Xylophanes irrorata but upperside of body and forewings deep green rather than pinkish-brown, and hindwings uniform dark brown. Forewing upperside with a dark green postmedial line, with a pale proximal border, that ends on the inner margin in a brown spot; discal spot small, black, with a white centre; costal edge and fringe reddish, the fringe more brown posteriorly and with very few white scales.
Male genitalia: Harpe similar to Xylophanes rhodocera, irregularly dentate distally. Phallus with a rather long, truncate right process and a short left process.