Indian Tortoiseshell vs Mountain Ash Sawfly

Side-by-side species comparison

Attribute Indian Tortoiseshell Mountain Ash Sawfly
Scientific Name Aglais caschmirensis Pristiphora geniculata
Order Lepidoptera Hymenoptera
Family Nymphalidae Tenthredinidae
Size 55-65 mm wingspan 5-7 mm
Habitat Mountains Mountains
Diet Nectar Feeders Herbivores
Regions South Asia (India, Nepal, Bhutan, Pakistan, Himalayan region) Europe, introduced to North America
Conservation Least Concern Least Concern

Indian Tortoiseshell

A beautiful butterfly with rich orange-brown wings edged with blue spots and irregular dark markings. It is found in the Himalayan highlands and is closely related to the European tortoiseshell butterflies.

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Did You Know?

This butterfly can survive at elevations over 4000 meters in the Himalayas, basking on sun-warmed rocks to thermoregulate.

Mountain Ash Sawfly

A small blackish sawfly with pale legs whose green larvae can completely defoliate mountain ash (rowan) trees. Larvae have dark heads and feed gregariously.

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Did You Know?

Introduced to North America in the early 1900s, it quickly became the most damaging pest of ornamental mountain ash trees across the continent.