Spotted Hydropsyche Caddisfly vs Giant Caddisfly

Side-by-side species comparison

Attribute Spotted Hydropsyche Caddisfly Giant Caddisfly
Scientific Name Hydropsyche slossonae Phryganea grandis
Order Trichoptera Trichoptera
Family Hydropsychidae Phryganeidae
Size 10-14 mm 25-30 mm
Habitat Rivers & Streams Ponds & Lakes
Diet Detritivores Herbivores
Regions Eastern North America Europe, Asia
Conservation Least Concern Least Concern

Spotted Hydropsyche Caddisfly

A net-spinning caddisfly with tan to brown mottled wings. Larvae build intricate silken nets between rocks to capture drifting food particles in stream currents.

💡

Did You Know?

The mesh size of their silk nets varies by species, allowing different species to partition food resources in the same stream.

Giant Caddisfly

The largest European caddisfly with mottled brown-and-cream wings spanning up to 60 mm. Its larvae build portable cases from spirally arranged plant fragments.

💡

Did You Know?

Giant caddisfly larvae construct their cases in a beautiful spiral pattern from carefully cut pieces of leaves and stems.