Pink Lady Mayfly vs Giant Case-Builder Caddis

Side-by-side species comparison

Attribute Pink Lady Mayfly Giant Case-Builder Caddis
Scientific Name Epeorus vitreus Phryganea bipunctata
Order Ephemeroptera Trichoptera
Family Heptageniidae Phryganeidae
Size 9-12 mm 18-25 mm
Habitat Rivers & Streams Ponds & Lakes
Diet Omnivores Omnivores
Regions North America Europe
Conservation Least Concern Least Concern

Pink Lady Mayfly

A pale pinkish mayfly of eastern North American streams with a distinctly two-tailed nymph. Adults have translucent wings with a faint rosy tint.

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Did You Know?

The pink coloration of the adult body fades to white within minutes of death.

Giant Case-Builder Caddis

A large caddisfly with spotted wings found in northern and central Europe. Larvae construct conspicuous helical cases from plant material in weedy waters.

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Did You Know?

Its larvae are among the few caddisflies known to actively prey on other aquatic invertebrates.