Australian Giant Mayfly vs Giant Michigan Mayfly

Side-by-side species comparison

Attribute Australian Giant Mayfly Giant Michigan Mayfly
Scientific Name Atalophlebia australis Hexagenia bilineata
Order Ephemeroptera Ephemeroptera
Family Leptophlebiidae Ephemeridae
Size 12-18 mm 18-28 mm
Habitat Rivers & Streams Rivers & Streams
Diet Herbivores Detritivores
Regions Australia North America
Conservation Least Concern Least Concern

Australian Giant Mayfly

One of the largest Australian mayflies, found in clean streams of southeastern Australia. Nymphs have feathery gills along their abdomens.

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Did You Know?

It belongs to the most species-rich mayfly family in the Southern Hemisphere.

Giant Michigan Mayfly

A large burrowing mayfly with two dark stripes on its thorax. Nymphs dig into soft clay and silt bottoms of large rivers.

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Did You Know?

Mass emergences along the Great Lakes have caused road closures due to the slippery accumulation of millions of dead adults.