Large Marsh Horsefly vs Pale Giant Horsefly

Tabanus autumnalis compared with Tabanus bovinus

Key Differences

• Large Marsh Horsefly is Critically Endangered while Pale Giant Horsefly is Least Concern.

Taxonomic Classification

Rank	Large Marsh Horsefly	Pale Giant Horsefly
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Arthropoda (Arthropods)	Arthropoda (Arthropods)
Class same	Insecta (Insects)	Insecta (Insects)
Order same	Diptera (Diptera)	Diptera (Diptera)
Family same	Tabanidae	Tabanidae
Genus same	Tabanus	Tabanus
Species	Tabanus autumnalis	Tabanus bovinus

Evolutionary Relationship

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

Conservation Status

Large Marsh Horsefly

CR — Critically Endangered

Pale Giant Horsefly

LC — Least Concern

Physical Characteristics

Attribute	Large Marsh Horsefly	Pale Giant Horsefly
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic 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.

Pale Giant Horsefly

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Shared Countries

Both species can be found in 4 countries:

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