Arctic Sulphur vs Tundra Ichneumon Wasp

Side-by-side species comparison

Attribute Arctic Sulphur Tundra Ichneumon Wasp
Scientific Name Colias nastes Ichneumon gracilicornis
Order Lepidoptera Hymenoptera
Family Pieridae Ichneumonidae
Size 36-46 mm wingspan 10-16 mm
Habitat Tundra & Arctic Tundra & Arctic
Diet Nectar Feeders Parasitoids
Regions Arctic Canada, Alaska, Greenland, Rocky Mountain alpine zones Scandinavia, Finland, northern Russia, subarctic Canada
Conservation Least Concern Least Concern

Arctic Sulphur

A pale greenish-white butterfly with dusky wing margins and small dark discal spots. Its subdued coloration helps it absorb warmth while basking with wings spread. It rarely strays far from its alpine or arctic habitat.

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Did You Know?

On overcast days, this butterfly can raise its body temperature 10 degrees above air temperature by basking laterally to maximize solar absorption.

Tundra Ichneumon Wasp

A medium-sized ichneumon wasp with a black body and conspicuous yellow-banded abdomen. It has a long, slender ovipositor for parasitizing moth pupae. Adults are active during the Arctic summer's long daylight hours.

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Did You Know?

Ichneumon wasps in the Arctic play a crucial role in controlling outbreaks of defoliating moths in birch forests.