Knotweed Neb vs Scarce Marsh Neb

Monochroa hornigi compared with Monochroa divisella

Key Differences

• Knotweed Neb is Vulnerable while Scarce Marsh Neb is Not Evaluated.

Taxonomic Classification

Rank	Knotweed Neb	Scarce Marsh Neb
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Arthropoda (artrópodos)	Arthropoda (artrópodos)
Class same	Insecta (insecto)	Insecta (insecto)
Order same	Lepidoptera (Butterflies & Moths)	Lepidoptera (Butterflies & Moths)
Family same	Gelechiidae	Gelechiidae
Genus same	Monochroa	Monochroa
Species	Monochroa hornigi	Monochroa divisella

Evolutionary Relationship

Knotweed Neb and Scarce Marsh Neb share a common ancestor at the Genus level: Monochroa.

Conservation Status

Knotweed Neb

VU — Vulnerable

Scarce Marsh Neb

NE — Not Evaluated

Physical Characteristics

Attribute	Knotweed Neb	Scarce Marsh Neb
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Knotweed Neb

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Scarce Marsh Neb

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, and Sweden.

Shared Countries

Both species can be found in 3 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇸🇪 Sweden