Seaweed Fly vs Tawny Crazy Ant

Side-by-side species comparison

Attribute Seaweed Fly Tawny Crazy Ant
Scientific Name Coelopa frigida Nylanderia fulva
Order Diptera Hymenoptera
Family Coelopidae Formicidae
Size 5-8 mm 2-3 mm
Habitat Beaches & Coastal Beaches & Coastal
Diet Detritivores Omnivores
Regions North Atlantic coasts of Europe and North America South America, Southern United States
Conservation Least Concern Not Evaluated

Seaweed Fly

A coastal fly whose larvae develop in rotting seaweed wrack on beaches. It forms massive swarms on strandlines that can annoy beachgoers.

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Did You Know?

It is a model organism for studying sexual selection because larger males win more mating contests.

Tawny Crazy Ant

A small reddish-brown ant that forms enormous supercolonies and is displacing fire ants in the southern United States. They are attracted to electrical equipment and often cause short circuits.

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Did You Know?

They coat themselves in formic acid as an antidote after being stung by fire ants, a unique detoxification behavior.