Dark-Horned Casemaker vs High-altitude Water Boatman

Side-by-side species comparison

Attribute Dark-Horned Casemaker High-altitude Water Boatman
Scientific Name Psilotreta labida Sigara nigrolineata
Order Trichoptera Hemiptera
Family Odontoceridae Corixidae
Size 10-14 mm 5-7 mm body length
Habitat Woodlands Mountains
Diet Detritivores Detritivores
Regions North America Europe, Northern Asia
Conservation Least Concern Least Concern

Dark-Horned Casemaker

A North American caddisfly building curved tubular cases from sand grains. Larvae are found in small shaded woodland streams.

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Did You Know?

Adults are entirely nocturnal and are rarely seen despite being locally common.

High-altitude Water Boatman

An aquatic bug found in high-altitude ponds and alpine lakes. It swims upside down using its oar-like hind legs.

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Did You Know?

Males produce underwater sounds by rubbing their front legs against their head to attract mates.