Bizarre Caddisfly vs Giant Caddisfly

Side-by-side species comparison

Attribute Bizarre Caddisfly Giant Caddisfly
Scientific Name Lepidostoma togatum Phryganea grandis
Order Trichoptera Trichoptera
Family Lepidostomatidae Phryganeidae
Size 8-11 mm 25-30 mm
Habitat Rivers & Streams Ponds & Lakes
Diet Herbivores Herbivores
Regions North America Europe, Asia
Conservation Least Concern Least Concern

Bizarre Caddisfly

A North American case-building caddisfly with square-sectioned cases made of leaf bits. Adults have a distinctive hairy appearance around the head.

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Did You Know?

Male adults have bizarre modified maxillary palps that give the family its common name.

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.

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Did You Know?

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