Giant Caddisfly vs Japanese Earwig

Side-by-side species comparison

Attribute Giant Caddisfly Japanese Earwig
Scientific Name Phryganea grandis Anechura harmandi
Order Trichoptera Dermaptera
Family Phryganeidae Forficulidae
Size 25-30 mm 12-18 mm
Habitat Ponds & Lakes Mountains
Diet Herbivores Herbivores
Regions Europe, Asia Asia
Conservation Least Concern Least Concern

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.

Japanese Earwig

A montane earwig found in the mountains of Japan, known for extreme maternal care. Females guard eggs and first-instar nymphs in burrows under stones.

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Did You Know?

Japanese earwig mothers sacrifice their own bodies as food for their young — the nymphs consume the mother after she dies.