Iris Sawfly vs Caddisfly

Side-by-side species comparison

Attribute Iris Sawfly Caddisfly
Scientific Name Rhadinoceraea micans Limnephilus rhombicus
Order Hymenoptera Trichoptera
Family Tenthredinidae Limnephilidae
Size 6-8 mm 10-15 mm body
Habitat Ponds & Lakes Ponds & Lakes
Diet Herbivores Herbivores
Regions Europe Europe, North America
Conservation Least Concern Least Concern

Iris Sawfly

A small, metallic blue-black sawfly whose grayish larvae with dark heads feed along the edges of iris leaves, producing distinctive notching damage.

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Did You Know?

Larvae feed along leaf edges in a perfectly straight line, creating neat rectangular notches that are diagnostic for this species.

Caddisfly

Moth-like adults with hairy wings held tent-like over the body. Aquatic larvae are famous architects that build portable cases from silk, pebbles, sand, leaves, and shells.

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Did You Know?

Artist Hubert Duprat gave caddisfly larvae gold flakes, pearls, and precious stones — the larvae incorporated them into their cases, creating tiny jeweled sculptures.