Arctic Sulfur vs Blue Bugle

Colias palaeno compared with Ajuga genevensis

Key Differences

• Arctic Sulfur is Least Concern while Blue Bugle is Critically Endangered.

Taxonomic Classification

Rank	Arctic Sulfur	Blue Bugle
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Arthropoda (Arthropods)	Magnoliophyta (Flowering Plants)
Class	Insecta (Insects)	Magnoliopsida (Dicots)
Order	Lepidoptera (Butterflies & Moths)	Lamiales (Lamiales)
Family	Pieridae	Lamiaceae
Genus	Colias	Ajuga
Species	Colias palaeno	Ajuga genevensis

Conservation Status

Arctic Sulfur

LC — Least Concern

Blue Bugle

CR — Critically Endangered

Physical Characteristics

Attribute	Arctic Sulfur	Blue Bugle
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arctic Sulfur

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (24 countries).

Blue Bugle

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and boreal forests and taiga, among 8 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Uzbekistan), Europe (7 countries), and North America (Canada, United States). Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Arctic Sulfur

Arctic Sulfur (Colias palaeno) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Blue Bugle

The Blue Bugle (Ajuga genevensis) is a species in the genus Ajuga. It is currently classified as Critically Endangered on the IUCN Red List. Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and boreal forests and taiga, among 8 distinct biome types within the Palearctic biogeographic realm. Populations are also fo

Shared Countries

Both species can be found in 7 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇪🇪 Estonia 🇫🇮 Finland 🇳🇴 Norway 🇷🇺 Russia 🇸🇪 Sweden