Asian Needle Ant vs Iron Blue Dun

Side-by-side species comparison

Attribute Asian Needle Ant Iron Blue Dun
Scientific Name Brachyponera chinensis Baetis muticus
Order Hymenoptera Ephemeroptera
Family Formicidae Baetidae
Size 3-5 mm 5-7 mm
Habitat Underground Rivers & Streams
Diet Omnivores Omnivores
Regions East Asia, Eastern United States Europe
Conservation Least Concern Least Concern

Asian Needle Ant

An invasive East Asian ant spreading through the southeastern US. Its sting causes anaphylaxis more frequently than native stinging ants.

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Did You Know?

It displaces native ant species including fire ants and Argentine ants in invaded habitats.

Iron Blue Dun

A small dark mayfly that hatches prolifically on cool overcast days. Nymphs are found clinging to stones in moderate to fast current.

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Did You Know?

Hatches are most prolific during rain and cold snaps, making it a favorite species for wet-weather anglers.