Firethorn Leaf Miner vs Swamp Metalmark

Side-by-side species comparison

Attribute Firethorn Leaf Miner Swamp Metalmark
Scientific Name Phyllonorycter leucographella Calephelis mutica
Order Lepidoptera Lepidoptera
Family Gracillariidae Riodinidae
Size 7-8 mm wingspan 22-28 mm wingspan
Habitat Underground Wetlands
Diet Herbivores Omnivores
Regions Southern Europe, spreading north Upper Midwest United States, Great Lakes region
Conservation Least Concern Near Threatened; extremely local

Firethorn Leaf Miner

A tiny moth whose larvae create blister mines on pyracantha leaves. Originally from southern Europe, it has spread rapidly northward. Mines cause silvery blotches on leaves.

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Did You Know?

First recorded in Britain in 1989 and spread across the country within a decade on planted pyracantha hedges.

Swamp Metalmark

A rare and localized metalmark butterfly of midwestern wetlands with warm rusty-brown wings marked with fine metallic lines. It has very specific habitat requirements.

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Did You Know?

Some populations consist of fewer than 50 individuals, making it one of North America's most vulnerable butterflies.