description Oak beauty moth Overview
The Oak Beauty (Biston strataria) is a large geometrid moth found across the Palearctic region, including much of Europe. Originally described by Carl Linnaeus in 1758, the species exhibits pronounced sexual dimorphism in its antennae. The mottled black, white, and grey patterning of adults provides effective camouflage against lichen-covered tree bark. Adults fly in early spring and larvae feed on deciduous trees, particularly oak.
help Oak beauty moth FAQ
What does the Oak Beauty moth look like?
The Oak Beauty (Biston strataria) is a large geometrid moth known for its mottled black, white, and grey patterning. This coloration provides excellent camouflage against tree bark.
When was the Oak Beauty moth first classified?
The species was originally described by the famous Swedish taxonomist Carl Linnaeus in 1758. It is found across the Palearctic region, including much of Europe.
How can you tell the difference between male and female Oak Beauty moths?
The species exhibits pronounced sexual dimorphism, most notably in their antennae. Males possess large, feathery, comb-like antennae to detect female pheromones, whereas females have much thinner antennae.
What do Oak Beauty moth caterpillars eat?
The larvae primarily feed on the leaves of various deciduous trees, including oak, birch, and willow. They rely on their excellent twig-like camouflage to avoid birds and other predators during the day.
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