Small Minnow Mayfly vs Claret Dun Mayfly

Side-by-side species comparison

Attribute Small Minnow Mayfly Claret Dun Mayfly
Scientific Name Callibaetis ferrugineus Leptophlebia vespertina
Order Ephemeroptera Ephemeroptera
Family Baetidae Leptophlebiidae
Size 7-11 mm 8-12 mm
Habitat Ponds & Lakes Ponds & Lakes
Diet Detritivores Detritivores
Regions North America Europe
Conservation Least Concern Least Concern

Small Minnow Mayfly

A mottled brown mayfly common in still waters across North America. Nymphs are excellent swimmers that mimic small minnows.

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Did You Know?

It can produce up to three generations per year in warm climates.

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.