Quill Gordon Mayfly vs New Zealand Mayfly

Side-by-side species comparison

Attribute Quill Gordon Mayfly New Zealand Mayfly
Scientific Name Epeorus pleuralis Deleatidium lillii
Order Ephemeroptera Ephemeroptera
Family Heptageniidae Leptophlebiidae
Size 10-14 mm 7-11 mm
Habitat Rivers & Streams Rivers & Streams
Diet Omnivores Detritivores
Regions Eastern North America New Zealand
Conservation Least Concern Least Concern

Quill Gordon Mayfly

A medium-sized flat-bodied mayfly that clings to rocks in fast Appalachian streams. It is one of the first major mayfly hatches of the spring season.

💡

Did You Know?

Quill Gordon nymphs have only two tails instead of the three found in most mayfly species.

New Zealand Mayfly

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

💡

Did You Know?

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