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 (动物界)	Animalia (动物界)
Phylum same	Arthropoda (节肢动物门)	Arthropoda (节肢动物门)
Class same	Insecta (昆蟲綱)	Insecta (昆蟲綱)
Order same	Odonata (蜻蜓目)	Odonata (蜻蜓目)
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

脊蜻（Orthetrum coerulescens）在IUCN红色名录中被评为易危（VU）。在野外面临高度濒危风险，种群数量下降，栖息地压力增加。