Bug Wiki
Sticker of Torpedo bug
Bug card No. 4401 of 4,939

Torpedo bug

Siphanta acuta
Eats: PlantsTrue bugs and cicadasGardens and meadows6 legs

The torpedo bug is a bright green planthopper that looks just like a small leaf. Its pointy wings fold over its body like a steep roof. Only its pointed head and the tips of its legs peek out.

Lives in
Australia, and now New Zealand, Hawaii, California and South Africa, in gardens and forests
Length
0.9 to 1 cm (0.35 to 0.39 in)
Top speed
about 1.1 km/h (0.68 mph)
On foot, estimate
Can it hurt you?
Harmless
Harmless to people.
What does it eat?
It pokes plants with its sharp mouth and drinks the sap. It likes citrus trees and garden shrubs.
For real!Photo of Torpedo bug
Picture by Nicola van Berkel. CC BY-SA 4.0, via Wikimedia Commons.

How big is it?

How long is it?

Torpedo bug about 1 cm long (0.39 in)A grain of rice about 6 mm (0.24 in)A toy building brick about 3.2 cm (1.3 in)
small enough to sit on your fingernailas long as 1.5 grains of rice in a rowcould run across a dinner table in 3.3 secondsmoves 31 times its own body length every second

How big is Torpedo bug compared to YOU?

Just maths in your browser. Nothing is saved or sent anywhere.

How fast is it?

cool stuff

Fun facts

1

A mother lays about 90 to 110 eggs in a flat cushion on a leaf.

2

The egg cushions turn from white to black, because a fungus grows on the empty shells.

3

Its babies are white with fluffy waxy tufts at the end of their bodies.

4

In Hawaii it is called the torpedo bug, but in Australia and New Zealand it is the green planthopper.

5

Steel blue ladybirds love to eat its egg cushions.

you asked

Most asked questions about Torpedo bug

?Is the torpedo bug harmful?

Not to people. It drinks plant sap and can be a pest on citrus trees.

?How big is the torpedo bug?

About 1 centimetre long.

For bug experts

Scientific name
Siphanta acuta
Group
True bugs and cicadas
Family
Flatidae
Classification
Insecta > Hemiptera > Flatidae
Lives on
Australia and Oceania, North America, Africa
Also known as
Green planthopper, Leaf bug

Where the facts come from

  1. Siphanta acuta (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 Nicola van Berkel. CC BY-SA 4.0, 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.

Bug Wiki honey jar For grown-ups: Bug Wiki is free, with no ads and no tracking. A small tip helps keep it online.Leave a tip

More from the same group: True bugs and cicadas

Also at home here: Gardens and meadows

Honey jarfor grown-ups