Firefly vs Common Click Beetle

Side-by-side species comparison

Attribute Firefly Common Click Beetle
Scientific Name Photinus pyralis Agriotes sputator
Order Coleoptera Coleoptera
Family Lampyridae Elateridae
Size 10-14 mm 6-8 mm
Habitat Underground Farmland
Diet Nectar Feeders Root Feeders
Regions North America Europe, Western Asia
Conservation Least Concern Least Concern

Firefly

Famous for bioluminescent signals produced by a chemical reaction in their abdomen. Each species has a unique flash pattern used for mate recognition.

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Did You Know?

Firefly light is the most efficient in the world — nearly 100% of the energy is emitted as light, compared to only 10% for an incandescent bulb.

Common Click Beetle

A small, uniformly brown click beetle that is one of the most common wireworm pests in European agriculture. Adults are often found on flowers and grasses in spring and early summer.

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Did You Know?

The clicking mechanism that gives the family its name involves a peg-and-groove structure on the thorax that stores and releases elastic energy.