The Pandora sphinx moth (Eumorpha pandorus), also called the pandorus sphinx moth, is a North American moth in the family Sphingidae. It is a large, greenish gray moth with darker patches and pink edges and small pink eyespots. The underside is usually pale yellow-green or brown. It has a wingspan of 3¼–4½ inches (8.2–11.5 cm), females being slightly larger than males. Pandora sphinx moths fly during dusk. Some places see only one generation a year, while others see two.