Moths vs. butterflies: Can you tell the difference?
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Moths vs. butterflies: Can you tell the difference?
Both belong to the order Lepidoptera.
Encyclopædia Britannica, Inc.
Transcript
One is a beautiful winged creature perched on a flower. The other is a furry little bug fluttering around your porch light.
But sometimes, the line between the two starts to blur…
It’s easy to understand why someone might confuse butterflies and moths. Scientifically, they’re both members of the order Lepidoptera, which includes almost 180,000 species of flying insects. And honestly, they tend to look pretty similar.
So what are the differences between butterflies and moths?
We’ll start with the obvious: physical appearance.
Most butterflies’ bodies are slim and dainty, while moths are usually fuzzy and stout.
Most moths also have thick or feathery antennae. Butterfly antennae are thin, with distinctive clubbed tips.
And, of course, most butterflies are just plain pretty, with colorful wings sporting dramatic patterns. Moths, whose wings tend to come in shades of brown, gray, and white, look plainer.
You can’t judge an insect by looks alone, though. It only takes an encounter with a luna moth or cabbage white butterfly to realize there are always exceptions to a trend.
Luckily, behavior also differentiates butterflies from moths.
Moths are most active at night, while butterflies are active during the day.
When resting, they hold their wings in different positions.
And finally, when butterfly caterpillars molt for the last time, they protect their bodies with hard shells called chrysalises. Moth caterpillars, on the other hand, spin fibrous cocoons that harden later.
So whether it’s night or day—or whether you caught the creature in its pupal or adult stage—these differences should help you distinguish between a butterfly and a moth…no matter how similar they look.