Chinese Aquatic Firefly vs Red-bellied Rove Beetle

Side-by-side species comparison

Attribute Chinese Aquatic Firefly Red-bellied Rove Beetle
Scientific Name Aquatica ficta Tasgius melanarius
Order Coleoptera Coleoptera
Family Lampyridae Staphylinidae
Size 8-12 mm 15-20 mm
Habitat Rivers & Streams Gardens
Diet Omnivores Predators
Regions China Europe, introduced to North America and Australia
Conservation Vulnerable Least Concern

Chinese Aquatic Firefly

A firefly with fully aquatic larvae found in streams across southern China. It was the first species placed in the genus Aquatica, erected specifically for water-dwelling lampyrids.

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Did You Know?

Larvae breathe underwater using specialized tracheal gills unique among fireflies.

Red-bellied Rove Beetle

A large, shiny black rove beetle with a reddish-brown abdominal tip, found in synanthropic habitats across Europe. It is commonly encountered in gardens and urban areas where it hunts at night.

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Did You Know?

This beetle is one of the most synanthropic rove beetles, frequently entering houses and cellars where it is often mistaken for an earwig.