Indian Olive Mayfly vs Mahogany Dun

Side-by-side species comparison

Attribute Indian Olive Mayfly Mahogany Dun
Scientific Name Baetis conservatus Isonychia harperi
Order Ephemeroptera Ephemeroptera
Family Baetidae Isonychiidae
Size 5-8 mm 13-17 mm
Habitat Rivers & Streams Rivers & Streams
Diet Omnivores Omnivores
Regions South Asia North America
Conservation Least Concern Least Concern

Indian Olive Mayfly

A small olive-colored mayfly found in Himalayan streams and foothill rivers. Nymphs are agile swimmers adapted to moderate currents.

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Did You Know?

It is one of the most commonly encountered mayfly species in Indian freshwater biomonitoring studies.

Mahogany Dun

A large reddish-brown mayfly with impressive filter-feeding forelegs. Nymphs prefer moderate to fast riffles with clean gravel substrates.

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Did You Know?

Adults hold their forelegs forward in flight, making them easy to identify on the wing.