Pink Lady Mayfly vs New Zealand Mayfly

Side-by-side species comparison

Attribute Pink Lady Mayfly New Zealand Mayfly
Scientific Name Epeorus vitreus Deleatidium lillii
Order Ephemeroptera Ephemeroptera
Family Heptageniidae Leptophlebiidae
Size 9-12 mm 7-11 mm
Habitat Rivers & Streams Rivers & Streams
Diet Omnivores Detritivores
Regions North America New Zealand
Conservation Least Concern Least Concern

Pink Lady Mayfly

A pale pinkish mayfly of eastern North American streams with a distinctly two-tailed nymph. Adults have translucent wings with a faint rosy tint.

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Did You Know?

The pink coloration of the adult body fades to white within minutes of death.

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.