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Sticker of Yam hawkmoth
Bug card No. 4851 of 4,939

Yam hawkmoth

Theretra nessus
Eats: PlantsMothsRainforests and jungles6 legs

The yam hawkmoth is a big, strong hawk moth with wings up to 13 centimetres across. Its head and back are green, and its body has golden yellow sides. Its caterpillar is bluish green with an eye spot and a little yellow horn at its tail.

Lives in
South and East Asia, northern Australia and Pacific islands such as Guam and New Caledonia
Wingspan
9 to 13 cm (3.5 to 5.1 in)
Top speed
about 57 km/h (35 mph)
Flying, estimate
Can it hurt you?
Harmless
Harmless. The moth cannot bite or sting, and the caterpillar's horn is soft.
What does it eat?
Its caterpillars eat many plants, such as yam, amaranth, impatiens, watermelon and even the tea plant.
For real!Photo of Yam hawkmoth
Picture by Shantanu Kuveskar. CC BY-SA 3.0, via Wikimedia Commons.

How big is it?

How wide are its wings?

Yam hawkmoth wings about 13 cm tip to tip (5.1 in)A crayon about 9 cm (3.5 in)A banana about 18 cm (7.1 in)A house cat about 50 cm (20 in)
wings as wide as your handcould fly across a whole football pitch in 6.6 seconds

How big is Yam hawkmoth compared to YOU?

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How fast is it?

cool stuff

Fun facts

1

Like other hawk moths, it is a fast and strong flier.

2

Its front wings are olive brown, and its back wings are dark brown with a yellowish band.

3

It recently arrived on the island of Oahu in Hawaii.

4

It lives in a huge area, from Sri Lanka and India to Japan, Australia and New Caledonia.

you asked

Most asked questions about Yam hawkmoth

?How big is the yam hawkmoth?

Its wings measure 9 to 13 centimetres from tip to tip.

?What does the yam hawkmoth caterpillar eat?

Many plants, including yam, amaranth, impatiens and watermelon.

For bug experts

Scientific name
Theretra nessus
Named by
Drury, 1773
Group
Moths
Family
Sphingidae
Classification
Insecta > Lepidoptera > Sphingidae
Lives on
Asia, Australia and Oceania
Also known as
Yam hawk moth

Where the facts come from

  1. Theretra nessus (Wikipedia, CC BY-SA 4.0): what it looks like, where it lives, what it eats, sizes and fun facts, retold in simple words.
  2. Picture by Shantanu Kuveskar. CC BY-SA 3.0, Wikimedia Commons. The sticker of this bug is drawn from this picture.

If we got something wrong, sorry, we are bug fans, not a science journal. Tell us at [email protected] and we will fix it.

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