Grey Knot-horn vs Scarce Oak Knot-horn

Acrobasis advenella compared with Acrobasis tumidana

Key Differences

• Grey Knot-horn is Least Concern while Scarce Oak Knot-horn is Near Threatened.

Taxonomic Classification

Rank	Grey Knot-horn	Scarce Oak Knot-horn
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Arthropoda (สัตว์ขาปล้อง)	Arthropoda (สัตว์ขาปล้อง)
Class same	Insecta (แมลง)	Insecta (แมลง)
Order same	Lepidoptera (ผีเสื้อ)	Lepidoptera (ผีเสื้อ)
Family same	Pyralidae	Pyralidae
Genus same	Acrobasis	Acrobasis
Species	Acrobasis advenella	Acrobasis tumidana

Evolutionary Relationship

Grey Knot-horn and Scarce Oak Knot-horn share a common ancestor at the Genus level: Acrobasis.

Conservation Status

Grey Knot-horn

LC — Least Concern

Scarce Oak Knot-horn

NT — Near Threatened

Physical Characteristics

Attribute	Grey Knot-horn	Scarce Oak Knot-horn
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Grey Knot-horn

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Scarce Oak Knot-horn

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden