Borneo Pulsing Firefly vs Harris's Diving Beetle

Side-by-side species comparison

Attribute Borneo Pulsing Firefly Harris's Diving Beetle
Scientific Name Pteroptyx tener Dytiscus harrisii
Order Coleoptera Coleoptera
Family Lampyridae Dytiscidae
Size 6-9 mm 33-40 mm
Habitat Wetlands Ponds & Lakes
Diet Omnivores Omnivores
Regions Southeast Asia North America
Conservation Endangered Least Concern

Borneo Pulsing Firefly

A synchronous firefly of Southeast Asian mangroves that produces green flashes in unison with thousands of others. Massive congregations light up riverine trees each night.

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Did You Know?

Entire mangrove trees appear to pulse with light as thousands of males flash in perfect synchrony.

Harris's Diving Beetle

A large North American diving beetle found in cold, clear lakes and bog ponds. It is one of the largest diving beetles on the continent.

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Did You Know?

It can remain submerged for extended periods by trapping air under its elytra, which it uses like an external lung.