Small Emerald Moth vs Oak Processionary Moth

Side-by-side species comparison

Attribute Small Emerald Moth Oak Processionary Moth
Scientific Name Hemistola chrysoprasaria Thaumetopoea processionea
Order Lepidoptera Lepidoptera
Family Geometridae Notodontidae
Size 28-33 mm wingspan 25-35 mm wingspan
Habitat Heathland Woodlands
Diet Omnivores Herbivores
Regions Europe Europe
Conservation Least Concern Least Concern

Small Emerald Moth

A small, delicate moth with uniformly pale green wings and fine white fringe. It is one of the daintiest European emerald moths.

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Did You Know?

It feeds exclusively on wild clematis, making it confined to areas where this plant grows.

Oak Processionary Moth

A moth whose caterpillars march nose-to-tail in long processions along tree branches.

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Did You Know?

Its caterpillar hairs cause severe allergic reactions and rashes in humans.