Sulphur Mayfly vs Ellipes Pygmy Mole Cricket

Side-by-side species comparison

Attribute Sulphur Mayfly Ellipes Pygmy Mole Cricket
Scientific Name Ephemerella dorothea Ellipes minuta
Order Ephemeroptera Orthoptera
Family Ephemerellidae Tridactylidae
Size 6-9 mm 3-5 mm
Habitat Rivers & Streams Rivers & Streams
Diet Omnivores Detritivores
Regions North America Central America, South 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.

Ellipes Pygmy Mole Cricket

One of the smallest orthopterans in the world, barely visible to the naked eye. It lives in moist sand and mud along tropical waterways.

💡

Did You Know?

At just 3 mm long, it is smaller than many ants and is easily overlooked even by entomologists specifically searching for it.