Blue Chaser vs Four-spotted Chaser

Libellula fulva compared with Libellula quadrimaculata

Key Differences

• Blue Chaser is Endangered while Four-spotted Chaser is Least Concern.

Taxonomic Classification

Rank	Blue Chaser	Four-spotted Chaser
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	Libellula	Libellula
Species	Libellula fulva	Libellula quadrimaculata

Evolutionary Relationship

Blue Chaser and Four-spotted Chaser share a common ancestor at the Genus level: Libellula.

Conservation Status

Blue Chaser

EN — Endangered

Four-spotted Chaser

LC — Least Concern

Physical Characteristics

Attribute	Blue Chaser	Four-spotted Chaser
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blue Chaser

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

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

Four-spotted Chaser

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (5 countries) and North America (United States).

Blue Chaser

蓝追逐者（Libellula fulva）在IUCN红色名录中被列为濒危（EN）物种。野外灭绝风险极高，种群数量显著下降，生存面临持续威胁。

Four-spotted Chaser

四斑蜻（Libellula quadrimaculata）在IUCN红色名录中被列为无危（LC）。在整个分布范围内广泛分布且数量丰富，种群稳定，无直接的保护关注。

Shared Countries

Both species can be found in 5 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇱🇺 Luxembourg 🇳🇴 Norway 🇸🇪 Sweden