Sulphur Mayfly vs Ornate Pygmy Grasshopper

Side-by-side species comparison

Attribute Sulphur Mayfly Ornate Pygmy Grasshopper
Scientific Name Ephemerella dorothea Tetrix ornata
Order Ephemeroptera Orthoptera
Family Ephemerellidae Tetrigidae
Size 6-9 mm 7-10 mm
Habitat Rivers & Streams Woodlands
Diet Omnivores Omnivores
Regions North America North America
Conservation Least Concern Least Concern

Sulphur Mayfly

A small pale yellow mayfly that produces reliable evening hatches on eastern North American streams. One of the most important species for fly anglers.

💡

Did You Know?

Sulphur mayfly hatches are so predictable in timing that experienced anglers can arrive at the stream within minutes of the first emergence.

Ornate Pygmy Grasshopper

A tiny, intricately patterned groundhopper found on bare sandy soils in North American prairies and open woodlands. Its flattened, cryptic body blends perfectly with gravel and dry soil surfaces.

💡

Did You Know?

When disturbed it can leap into a short flight that ends with a tumbling landing, making it very hard to track.