Indian Olive Mayfly vs Northern Snow Scorpionfly

Side-by-side species comparison

Attribute Indian Olive Mayfly Northern Snow Scorpionfly
Scientific Name Baetis conservatus Boreus westwoodi
Order Ephemeroptera Mecoptera
Family Baetidae Boreidae
Size 5-8 mm 3-4 mm
Habitat Rivers & Streams Forests
Diet Omnivores Omnivores
Regions South Asia Northern Europe, Scandinavia, Finland, northern Russia
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.

Northern Snow Scorpionfly

A small, dark, flightless scorpionfly that appears on snow in late autumn and early winter. It is glossy black-brown with elongated mouthparts for feeding on mosses. Females have a prominent pointed ovipositor.

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Did You Know?

Despite being wingless, this insect can jump short distances using its powerful hind legs to move quickly across snow.