Swamp Metalmark vs Blue Shieldbug

Side-by-side species comparison

Attribute Swamp Metalmark Blue Shieldbug
Scientific Name Calephelis mutica Zicrona caerulea
Order Lepidoptera Hemiptera
Family Riodinidae Pentatomidae
Size 22-28 mm wingspan 5-8 mm
Habitat Wetlands Wetlands
Diet Omnivores Herbivores
Regions Upper Midwest United States, Great Lakes region Europe, Asia
Conservation Near Threatened; extremely local Least Concern

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.

Blue Shieldbug

A metallic blue-green predatory stink bug found across Europe and Asia. It specializes in hunting flea beetles and other small chrysomelid beetles on low vegetation.

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Did You Know?

It is one of the very few stink bugs in Europe with a brilliant metallic blue sheen, making it unmistakable.