Green Drake Mayfly vs Guizhou Cave Ground Beetle

Side-by-side species comparison

Attribute Green Drake Mayfly Guizhou Cave Ground Beetle
Scientific Name Ephemera guttulata Sinaphaenops mirabilissimus
Order Ephemeroptera Coleoptera
Family Ephemeridae Carabidae
Size 18-25 mm 8-15 mm
Habitat Rivers & Streams Caves
Diet Omnivores Omnivores
Regions Eastern North America China
Conservation Least Concern Data Deficient

Green Drake Mayfly

A large and strikingly beautiful mayfly with mottled wings that emerges in late spring. Its hatches on eastern North American streams create some of the year's best fly-fishing opportunities.

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Did You Know?

Green drake hatches trigger a feeding frenzy among trout, with even the largest fish rising to the surface.

Guizhou Cave Ground Beetle

A spectacular cave beetle from southern China with enormously elongated head and appendages. It is one of the most extreme examples of cave adaptation in beetles.

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Did You Know?

Its body proportions are among the most extreme of any known beetle.