Australian Caddisfly vs Western Grannom Caddis

Side-by-side species comparison

Attribute Australian Caddisfly Western Grannom Caddis
Scientific Name Triplectides australis Brachycentrus occidentalis
Order Trichoptera Trichoptera
Family Leptoceridae Brachycentridae
Size 10-16 mm 9-12 mm
Habitat Forests Rivers & Streams
Diet Wood Feeders Omnivores
Regions Australia Europe
Conservation Least Concern Least Concern

Australian Caddisfly

A distinctive Australian caddisfly whose larvae inhabit hollowed-out twigs as portable cases. It is common in forested streams across eastern Australia.

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Did You Know?

Larvae hollow out small twigs to create perfectly fitted tubular cases.

Western Grannom Caddis

A widespread European caddisfly forming mass emergences in spring on alkaline rivers. Larvae build four-sided tapering cases and filter-feed in riffles.

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Did You Know?

Spring Grannom hatches on English chalk streams can darken the sky with millions of emerging adults.