Screech Beetle vs Neotropical Firefly

Side-by-side species comparison

Attribute Screech Beetle Neotropical Firefly
Scientific Name Hygrobia hermanni Aspisoma lineatum
Order Coleoptera Coleoptera
Family Hygrobiidae Lampyridae
Size 8-10 mm 10-18 mm
Habitat Ponds & Lakes Forests
Diet Predators Predators
Regions Europe, North Africa Brazil, Argentina, Uruguay, Paraguay
Conservation Least Concern Not Evaluated

Screech Beetle

A medium-sized, reddish-brown water beetle that produces an audible squeaking sound when handled. It is found in muddy ponds across Europe.

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Did You Know?

It produces a squeaking noise by rubbing its abdomen against the inside of its wing cases.

Neotropical Firefly

A soft-bodied beetle producing a continuous greenish glow from its abdominal lantern organs. It is common in South American forests and agricultural areas.

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Did You Know?

Unlike many fireflies that flash in patterns, this species emits a steady continuous glow resembling a floating ember.