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Yam Hawk moth

Theretra nessus


The Yam Hawk Moth, Theretra nessus (Wing span: 90-130mm) flies in Japan and the Indo-Australian tropics (India, Philippines, north-east quarter of Australia) to New Caledonia. This species was introduced to Hawaii. "The broad irregular yellow band of the hindwing, the yellow-flanked, green abdomen and the green costal zone of the forewing interacting irregularly with the pale postmedial band distinguish this species." (Source:


Moths probably start spring flight in April-May and continue until September. The adults come readily to lights and nectar at various flowers.

1 species ID suggestions

bayucca 6 years ago
Yam Hawk Moth
Theretra nessus Theretra nessus

1 Comment

Thanks for ID @ bayucca

Thimphu, Bhutan

Lat: 26.93, Long: 90.10

Spotted on May 10, 2012
Submitted on May 14, 2012


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