Brother moth
Raphia frater

The brother moth is a moth from the forests of North America. Its name in Latin, frater, also means brother. Its caterpillars mostly eat aspen leaves.
Lives in
Canada and the United States, from Nova Scotia to British Columbia and south to Mississippi
Wingspan
3.8 to 4.4 cm (1.5 to 1.7 in)
Can it hurt you?
Harmless
Harmless. It does not bite or sting.
What does it eat?
Its caterpillars mostly eat aspen leaves, and also alder, birch, cottonwood and willow.

How big is it?
How wide are its wings?
๐wings as wide as 7 grains of rice in a rowโฝcould fly across a whole football pitch in 25 seconds
How big is Brother moth 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)
A kid running fast about 13 km/h (8.1 mph)
Brother moth about 15 km/h (9.3 mph)
A grown-up on a bike about 25 km/h (16 mph)
cool stuff
Fun facts
1
Its wings are about 4 centimetres from tip to tip.
2
It flies from spring to August.
3
It has six slightly different kinds in different parts of North America, one even called cinderella.
you asked
Most asked questions about Brother moth
?What does the brother moth eat?
Its caterpillars mainly eat aspen leaves.
?Is the brother moth harmful?
No. It is a harmless forest moth.
For bug experts
- Scientific name
- Raphia frater
- Group
- Moths
- Family
- Noctuidae
- Classification
- Insecta > Lepidoptera > Noctuidae
- Lives on
- North America
- Also known as
- The brother
Where the facts come from
- Raphia frater (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 Andy Reago & Chrissy McClarren. 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.
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