Redcoat Damselfly vs Yellow May Dun

Side-by-side species comparison

Attribute Redcoat Damselfly Yellow May Dun
Scientific Name Xanthocnemis zealandica Heptagenia sulphurea
Order Odonata Ephemeroptera
Family Coenagrionidae Heptageniidae
Size 28-36 mm 10-15 mm
Habitat Ponds & Lakes Rivers & Streams
Diet Omnivores Omnivores
Regions Oceania (New Zealand) Europe
Conservation Least Concern Least Concern

Redcoat Damselfly

A small endemic damselfly found throughout New Zealand, named for the bright red body of the male. It is one of the most abundant odonates in New Zealand and frequents still or slow-moving water bodies. Females are typically greenish-brown.

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Did You Know?

Male redcoat damselflies will guard their mate by remaining attached in tandem while she lays eggs, preventing other males from mating with her.

Yellow May Dun

A bright sulfur-yellow mayfly common across European rivers during early summer. Its flat nymphs are adapted to fast-flowing water on stony substrates.

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Did You Know?

The striking yellow color of this mayfly makes it one of the most easily recognizable species on European rivers.