Horned spanworm moth

The horned spanworm moth is a small moth that lives across North America. Its caterpillar is a spanworm, which moves by making a loop with its body. The caterpillars eat the leaves and needles of many trees and bushes.

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Fun facts
Its caterpillars eat both needle trees and leafy trees, which few caterpillars do.
In the north there is one family of moths a year, but in the far south there are several.
Scientists once thought it was the same as a moth from Europe and Asia, but then split them apart.
Most asked questions about Horned spanworm moth
?What does the horned spanworm eat?
Leaves and needles of many trees, like fir, spruce, willow and birch.
?How big is the horned spanworm moth?
Its wings measure about 2 to 2.5 centimetres from tip to tip.
For bug experts
- Scientific name
- Nematocampa resistaria
- Named by
- Herrich-Schäffer, 1856
- Group
- Moths
- Family
- Geometridae
- Classification
- Insecta > Lepidoptera > Geometridae
- Lives on
- North America
- Also known as
- Filament bearer, Bordered thorn
Where the facts come from
- Nematocampa resistaria (Wikipedia, CC BY-SA 4.0): what it looks like, where it lives, what it eats, sizes and fun facts, retold in simple words.
- Picture by Mike Boone. CC BY-SA 2.5, 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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