Clifden Nonpareil Moth vs Chestnut Gall Wasp

Side-by-side species comparison

Attribute Clifden Nonpareil Moth Chestnut Gall Wasp
Scientific Name Catocala fraxini Dryocosmus kuriphilus
Order Lepidoptera Hymenoptera
Family Erebidae Cynipidae
Size 75-100 mm wingspan 2.5–3 mm
Habitat Woodlands Orchards
Diet Herbivores Herbivores
Regions Europe, Asia East Asia, Europe, North America
Conservation Least Concern Not Evaluated

Clifden Nonpareil Moth

A large underwing moth with spectacular blue-black hindwings concealed at rest.

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Did You Know?

Its cryptic gray forewings hide vivid blue bands that flash during escape flights.

Chestnut Gall Wasp

An invasive gall wasp from China that is the most damaging pest of chestnut trees worldwide. It induces galls on buds and leaves, reducing nut yields.

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Did You Know?

It reproduces entirely through parthenogenesis; no males have ever been found in any population.