Black Bent vs Saint John'S Wort Beetle

Agrostis gigantea compared with Chrysolina hyperici

Key Differences

• Black Bent is Least Concern while Saint John'S Wort Beetle is Near Threatened.

Taxonomic Classification

Rank	Black Bent	Saint John'S Wort Beetle
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Arthropoda (Arthropods)
Class	Liliopsida (Monocots)	Insecta (Insects)
Order	Poales (Grasses)	Coleoptera (Beetles)
Family	Poaceae (Grass Family)	Chrysomelidae
Genus	Agrostis	Chrysolina
Species	Agrostis gigantea	Chrysolina hyperici

Conservation Status

Black Bent

LC — Least Concern

Saint John'S Wort Beetle

NT — Near Threatened

Physical Characteristics

Attribute	Black Bent	Saint John'S Wort Beetle
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black Bent

Habitat

Inhabits tropical and subtropical moist broadleaf forests within the Neotropic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (South Africa), Asia (Japan), Europe (11 countries), North America (4 countries), Oceania and the Pacific (Australia), and South America (5 countries).

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.

Black Bent

The Black Bent (Agrostis gigantea) is a species in the genus Agrostis. It is currently classified as Least Concern on the IUCN Red List. Inhabits tropical and subtropical moist broadleaf forests within the Neotropic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Shared Countries

Both species can be found in 6 countries:

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