Giant Michigan Mayfly vs Angular-winged Pygmy Grasshopper

Side-by-side species comparison

Attribute Giant Michigan Mayfly Angular-winged Pygmy Grasshopper
Scientific Name Hexagenia bilineata Tettix japonica
Order Ephemeroptera Orthoptera
Family Ephemeridae Tetrigidae
Size 18-28 mm 8-12 mm
Habitat Rivers & Streams Ponds & Lakes
Diet Detritivores Detritivores
Regions North America Japan, Korea, China
Conservation Least Concern Least Concern

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.

Angular-winged Pygmy Grasshopper

A small, dark pygmy grasshopper found across East Asia. It is one of the most studied tetrigids in Japanese orthopteran research.

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Did You Know?

Japanese researchers have documented color polymorphism in this species with over a dozen distinct color morphs in a single population.