Rock Caddisfly vs Malaysian Firefly

Side-by-side species comparison

Attribute Rock Caddisfly Malaysian Firefly
Scientific Name Goera calcarata Pteroptyx valida
Order Trichoptera Coleoptera
Family Goeridae Lampyridae
Size 8-12 mm 5-8 mm
Habitat Rivers & Streams Rivers & Streams
Diet Omnivores Predators
Regions Europe Southeast Asia
Conservation Least Concern Vulnerable

Rock Caddisfly

A caddisfly of limestone streams whose cases incorporate calcareous sand grains and pebble ballast. Larvae scrape algae from rock surfaces.

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Did You Know?

The calcareous case material provides partial camouflage against the pale limestone streambed.

Malaysian Firefly

A synchronous firefly of Malaysian rivers that creates spectacular congregation displays. It is a key species for firefly ecotourism in Selangor.

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Did You Know?

The Selangor firefly colony along the Selangor River is one of the largest known congregations, stretching for several kilometers.