Bug Wiki
Sticker of Forest semilooper
Bug card No. 1730 of 4,939

Forest semilooper

Declana floccosa
Eats: PlantsMothsForests and woods6 legs

The forest semilooper is a moth that lives only in New Zealand. No two look quite the same, because their colours and patterns change a lot from moth to moth.

Lives in
New Zealand only, in forests
Wingspan
2.7 to 3.5 cm (1.1 to 1.4 in)
Top speed
about 13 km/h (8.1 mph)
Flying, estimate
Can it hurt you?
Harmless
Harmless. It is a moth that cannot bite or sting.
What does it eat?
Its caterpillars feed on many shrubs and trees, both New Zealand plants and ones brought from other countries, like pine trees.
For real!Photo of Forest semilooper
Picture by Birgit E. Rhode, Landcare Research New Zealand Ltd.. CC BY 4.0, via Wikimedia Commons.

How big is it?

How wide are its wings?

Forest semilooper wings about 3.5 cm tip to tip (1.4 in)A toy building brick about 3.2 cm (1.3 in)A crayon about 9 cm (3.5 in)A banana about 18 cm (7.1 in)
wings as wide as 6 grains of rice in a rowcould fly across a whole football pitch in 29 seconds

How big is Forest semilooper compared to YOU?

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

How fast is it?

cool stuff

Fun facts

1

The grown-up moths are attracted to bright lights.

2

In the 1980s there suddenly were far fewer of them. Scientists think wasps that arrived in New Zealand may be to blame.

3

Later they came back. Moths that came out later in the season may have escaped the wasps.

4

Its caterpillars also eat trees from other countries, like pines, Douglas firs, larches and eucalyptus.

you asked

Most asked questions about Forest semilooper

?Where does the forest semilooper live?

Only in New Zealand.

?What does the forest semilooper eat?

Its caterpillars feed on many kinds of shrubs and trees, including pine trees.

For bug experts

Scientific name
Declana floccosa
Named by
Walker, 1863
Group
Moths
Family
Geometridae
Classification
Insecta > Lepidoptera > Geometridae
Lives on
Australia and Oceania
Also known as
Manuka moth

Where the facts come from

  1. Declana floccosa (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 Birgit E. Rhode, Landcare Research New Zealand Ltd.. CC BY 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: Moths

Also at home here: Forests and woods

Honey jarfor grown-ups