Subarctic Dart Moth vs Richmond Birdwing

Side-by-side species comparison

Attribute Subarctic Dart Moth Richmond Birdwing
Scientific Name Agrotis gelida Ornithoptera richmondia
Order Lepidoptera Lepidoptera
Family Noctuidae Papilionidae
Size 32-40 mm wingspan 11-13 cm wingspan
Habitat Tundra & Arctic Forests
Diet Herbivores Nectar Feeders
Regions Alaska, northern Canada, subarctic Siberia Australia
Conservation Least Concern Vulnerable

Subarctic Dart Moth

A medium-sized moth with dark grayish-brown forewings marked with kidney and orbicular spots. It flies in midsummer across subarctic tundra. Larvae are typical cutworms that feed on low-growing tundra vegetation.

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Did You Know?

The larvae spend the harsh Arctic winter frozen in the soil, resuming feeding for only a few weeks each summer.

Richmond Birdwing

A large subtropical birdwing butterfly with green and black males and brown females. It is threatened by habitat loss and a toxic introduced vine.

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Did You Know?

Larvae that accidentally feed on the invasive Dutchman's pipe vine are poisoned and die.