Peppered Moth vs Tooth-Necked Fungus Beetle

Side-by-side species comparison

Attribute Peppered Moth Tooth-Necked Fungus Beetle
Scientific Name Biston betularia Bolitotherus cornutus
Order Lepidoptera Coleoptera
Family Geometridae Tenebrionidae
Size 45-62 mm wingspan 10-12 mm
Habitat Woodlands Woodlands
Diet Herbivores Fungus Feeders
Regions Europe, Asia, North America Eastern North America
Conservation Least Concern Least Concern

Peppered Moth

The classic textbook example of natural selection in action. During the Industrial Revolution, dark (melanic) forms became dominant in polluted areas with soot-darkened trees.

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Did You Know?

The peppered moth is the most famous example of observed evolution — dark moths increased from 2% to 95% of the population during Britains Industrial Revolution.

Tooth-Necked Fungus Beetle

A heavily armored, warty brown beetle that feeds on shelf fungi on dead trees. Males have two prominent horns on the thorax.

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Did You Know?

It plays dead so convincingly that it is nearly impossible to distinguish from a piece of bark.