Red-fringed emerald
Nemoria bistriaria
The red-fringed emerald is a small green moth from North America. Its name tells you about the reddish fringe along the edges of its wings. In the warm south it flies for most of the year.
Lives in
North America, from New Brunswick to Florida and west to California
Wingspan
2.2 cm (0.87 in)
aboutCan it hurt you?
Harmless
Harmless. It does not bite or sting.
What does it eat?
Like other moths of its family, its caterpillars eat leaves.
How big is it?
How wide are its wings?
🍚wings as wide as 4 grains of rice in a row⚽could fly across a whole football pitch in 38 seconds
How big is Red-fringed emerald compared to YOU?
Just maths in your browser. Nothing is saved or sent anywhere.
How fast is it?
A person walking about 5 km/h (3.1 mph)
Red-fringed emerald about 10 km/h (6.2 mph)
A kid running fast about 13 km/h (8.1 mph)
A grown-up on a bike about 25 km/h (16 mph)
cool stuff
Fun facts
1
In the south it flies from March to October, in the north from May to August.
2
There are at least two families of young every year.
3
Its wings measure only about 22 millimetres from tip to tip.
you asked
Most asked questions about Red-fringed emerald
?How big is the red-fringed emerald?
Its wings measure about 22 millimetres from tip to tip.
?Where does the red-fringed emerald live?
In much of North America, from New Brunswick to Florida and California.
For bug experts
- Scientific name
- Nemoria bistriaria
- Group
- Moths
- Family
- Geometridae
- Classification
- Insecta > Lepidoptera > Geometridae
- Lives on
- North America
- Also known as
- Two-striped emerald
Where the facts come from
- Nemoria bistriaria (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 Judy Gallagher. CC BY 2.0, 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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