Peppered moth

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Peppered moth
Biston betularia betularia morpha typica
Conservation status
Not evaluated (IUCN 3.1)
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Family: Geometridae
Genus: Biston
Species: B. betularia
Binomial name
Biston betularia
Linnaeus, 1758

The Peppered moth (Biston betularia) is a species of night-flying moth. They are often used by educators as an example of natural selection: they have two forms, one is dark and one is light. The story of their evolution is told on Peppered moth evolution.