Lesser Water Measurer vs Water Measurer

Hydrometra gracilenta compared with Hydrometra stagnorum

Key Differences

• Lesser Water Measurer is Vulnerable while Water Measurer is Least Concern.

Taxonomic Classification

Rank	Lesser Water Measurer	Water Measurer
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	Hemiptera (カメムシ目)	Hemiptera (カメムシ目)
Family same	Hydrometridae	Hydrometridae
Genus same	Hydrometra	Hydrometra
Species	Hydrometra gracilenta	Hydrometra stagnorum

Evolutionary Relationship

Lesser Water Measurer and Water Measurer share a common ancestor at the Genus level: Hydrometra.

Conservation Status

Lesser Water Measurer

VU — Vulnerable

Water Measurer

LC — Least Concern

Physical Characteristics

Attribute	Lesser Water Measurer	Water Measurer
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Lesser Water Measurer

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

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

Water Measurer

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, Portugal, and Sweden.

Shared Countries

Both species can be found in 4 countries:

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