Lesser Purple Emperor vs Lepidostoma Leaf Caddis

Side-by-side species comparison

Attribute Lesser Purple Emperor Lepidostoma Leaf Caddis
Scientific Name Apatura ilia Lepidostoma quercinum
Order Lepidoptera Trichoptera
Family Nymphalidae Lepidostomatidae
Size 54-68 mm wingspan 8-11 mm
Habitat Rivers & Streams Rivers & Streams
Diet Omnivores Herbivores
Regions Central and southern Europe, temperate Asia North America
Conservation Least Concern Least Concern

Lesser Purple Emperor

Similar to the Purple Emperor but smaller, with an ocellus on the forewing and more strongly marked underside. It occurs in two forms: typical purple and a golden-orange aberration.

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Did You Know?

The orange form (f. clytie) was once thought to be a separate species before genetics proved otherwise.

Lepidostoma Leaf Caddis

A caddisfly named for its association with oak-leaf-rich streams. Larvae build tidy rectangular cases from leaf squares.

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Did You Know?

Larvae preferentially select leaf pieces from certain tree species, showing clear dietary preferences.