Keeled Skimmer vs Long Skimmer

Orthetrum coerulescens compared with Orthetrum trinacria

Key Differences

• Keeled Skimmer is Vulnerable while Long Skimmer is Least Concern.

Taxonomic Classification

Rank	Keeled Skimmer	Long Skimmer
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Arthropoda (節足動物)	Arthropoda (節足動物)
Class same	Insecta (昆虫)	Insecta (昆虫)
Order same	Odonata (蜻蛉目)	Odonata (蜻蛉目)
Family same	Libellulidae	Libellulidae
Genus same	Orthetrum	Orthetrum
Species	Orthetrum coerulescens	Orthetrum trinacria

Evolutionary Relationship

Keeled Skimmer and Long Skimmer share a common ancestor at the Genus level: Orthetrum.

Conservation Status

Keeled Skimmer

VU — Vulnerable

Long Skimmer

LC — Least Concern

Physical Characteristics

Attribute	Keeled Skimmer	Long Skimmer
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Keeled Skimmer

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

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

Long Skimmer

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Keeled Skimmer

シオカラトンボ類（Orthetrum coerulescens）はIUCNレッドリストで危急（VU）に分類されている。野生での絶滅リスクが高く、個体数が減少し、生息地への圧力が増加している。