Horse Chestnut Leaf-miner vs Bizarre Caddisfly

Side-by-side species comparison

Attribute Horse Chestnut Leaf-miner Bizarre Caddisfly
Scientific Name Cameraria ohridella Lepidostoma togatum
Order Lepidoptera Trichoptera
Family Gracillariidae Lepidostomatidae
Size 7-8 mm wingspan 8-11 mm
Habitat Underground Rivers & Streams
Diet Herbivores Herbivores
Regions Originally Balkans, now across Europe North America
Conservation Least Concern Least Concern

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.

Bizarre Caddisfly

A North American case-building caddisfly with square-sectioned cases made of leaf bits. Adults have a distinctive hairy appearance around the head.

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Did You Know?

Male adults have bizarre modified maxillary palps that give the family its common name.