Acorn Moth vs Horse Chestnut Leaf-miner

Side-by-side species comparison

Attribute Acorn Moth Horse Chestnut Leaf-miner
Scientific Name Blastobasis glandulella Cameraria ohridella
Order Lepidoptera Lepidoptera
Family Blastobasidae Gracillariidae
Size 15–22 mm wingspan 7-8 mm wingspan
Habitat Woodlands Underground
Diet Omnivores Herbivores
Regions Eastern North America Originally Balkans, now across Europe
Conservation Not Evaluated Least Concern

Acorn Moth

A small moth whose larvae bore into and consume the contents of acorns on the forest floor. It is common in oak woodlands across eastern North America.

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Did You Know?

In heavy infestation years, it can destroy over half the acorn crop on the forest floor.

Horse Chestnut Leaf-miner

A tiny moth that has devastated horse chestnut trees across Europe since its discovery in 1985. Larvae mine inside leaves causing brown blotches. Spread with extraordinary speed across the continent.

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Did You Know?

Spread across the entire European continent in just 20 years, one of the fastest insect invasions ever recorded.