Claret Dun Mayfly vs New Zealand Mayfly

Side-by-side species comparison

Attribute Claret Dun Mayfly New Zealand Mayfly
Scientific Name Leptophlebia vespertina Deleatidium lillii
Order Ephemeroptera Ephemeroptera
Family Leptophlebiidae Leptophlebiidae
Size 8-12 mm 7-11 mm
Habitat Ponds & Lakes Rivers & Streams
Diet Detritivores Detritivores
Regions Europe New Zealand
Conservation Least Concern Least Concern

Claret Dun Mayfly

A dark-winged mayfly that emerges in the evening over still and slow-moving waters.

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Did You Know?

It is a key food source for brown trout during spring evening rises.

New Zealand Mayfly

The most abundant and widespread mayfly genus in New Zealand. Nymphs dominate the invertebrate fauna of stony streams throughout both islands.

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Did You Know?

It is the most commonly used bioindicator insect for water quality testing in New Zealand.