Chinese Aquatic Firefly vs Apple Caddis

Side-by-side species comparison

Attribute Chinese Aquatic Firefly Apple Caddis
Scientific Name Aquatica ficta Brachycentrus appalachia
Order Coleoptera Trichoptera
Family Lampyridae Brachycentridae
Size 8-12 mm 8-12 mm
Habitat Rivers & Streams Rivers & Streams
Diet Omnivores Omnivores
Regions China North America
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.

Apple Caddis

A caddisfly of Appalachian streams that builds tapered square cases from plant material. Larvae orient their cases facing into the current for filter feeding.

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Did You Know?

The square cross-section of the case is thought to reduce drag in fast currents.