General Description

Body cylindrical with spiny, rigid gills on the side of the abdomen. Up to 2 cm long.

Biology

These nymphs have mouthparts that are modified for filter feeding on fine organic matter and algae; hairs on the legs assist in this process. They use their gills to anchor themselves beneath rocks.

Distribution

South-eastern mainland Australia.

Habitat

Flowing water, including upland streams, usually in areas with stones or pebbles.

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