Klamath Weed Beetle vs Saint John'S Wort Beetle

Chrysolina quadrigemina compared with Chrysolina hyperici

Key Differences

• Klamath Weed Beetle is Not Evaluated while Saint John'S Wort Beetle is Near Threatened.

Taxonomic Classification

Rank	Klamath Weed Beetle	Saint John'S Wort Beetle
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Arthropoda (สัตว์ขาปล้อง)	Arthropoda (สัตว์ขาปล้อง)
Class same	Insecta (แมลง)	Insecta (แมลง)
Order same	Coleoptera (อันดับด้วง)	Coleoptera (อันดับด้วง)
Family same	Chrysomelidae	Chrysomelidae
Genus same	Chrysolina	Chrysolina
Species	Chrysolina quadrigemina	Chrysolina hyperici

Evolutionary Relationship

Klamath Weed Beetle and Saint John'S Wort Beetle share a common ancestor at the Genus level: Chrysolina.

Conservation Status

Klamath Weed Beetle

NE — Not Evaluated

Saint John'S Wort Beetle

NT — Near Threatened

Physical Characteristics

Attribute	Klamath Weed Beetle	Saint John'S Wort Beetle
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Klamath Weed Beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Widely distributed across Europe (Denmark, Norway, Sweden), North America (Canada, United States), and South America (Chile).

Saint John'S Wort Beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Widely distributed across Europe (5 countries), North America (United States), and South America (Chile). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Shared Countries

Both species can be found in 5 countries:

🇨🇱 Chile 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden 🇺🇸 United States