Downland Horsefly vs Large Marsh Horsefly

Tabanus glaucopis compared with Tabanus autumnalis

Key Differences

• Downland Horsefly is Endangered while Large Marsh Horsefly is Critically Endangered.

Taxonomic Classification

Rank	Downland Horsefly	Large Marsh Horsefly
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Arthropoda (สัตว์ขาปล้อง)	Arthropoda (สัตว์ขาปล้อง)
Class same	Insecta (แมลง)	Insecta (แมลง)
Order same	Diptera (แมลงวัน)	Diptera (แมลงวัน)
Family same	Tabanidae	Tabanidae
Genus same	Tabanus	Tabanus
Species	Tabanus glaucopis	Tabanus autumnalis

Evolutionary Relationship

Downland Horsefly and Large Marsh Horsefly share a common ancestor at the Genus level: Tabanus.

Conservation Status

Downland Horsefly

EN — Endangered

Large Marsh Horsefly

CR — Critically Endangered

Physical Characteristics

Attribute	Downland Horsefly	Large Marsh Horsefly
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Downland Horsefly

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

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

Large Marsh Horsefly

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

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

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇸🇪 Sweden