Belly-shaped Hard Grass vs Sand Digger Wasp

Aegilops ventricosa compared with Mellinus crabroneus

Key Differences

• Belly-shaped Hard Grass is Least Concern while Sand Digger Wasp is Critically Endangered.

Taxonomic Classification

Rank	Belly-shaped Hard Grass	Sand Digger Wasp
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Arthropoda (Arthropods)
Class	Liliopsida (Monocots)	Insecta (Insects)
Order	Poales (Grasses)	Hymenoptera (Ants, Bees & Wasps)
Family	Poaceae (Grass Family)	Crabronidae
Genus	Aegilops	Mellinus
Species	Aegilops ventricosa	Mellinus crabroneus

Conservation Status

Belly-shaped Hard Grass

LC — Least Concern

Sand Digger Wasp

CR — Critically Endangered

Physical Characteristics

Attribute	Belly-shaped Hard Grass	Sand Digger Wasp
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Belly-shaped Hard Grass

Habitat

Typically found in grasslands, wetlands, forests, and cultivated landscapes.

Range

Distributed across Belgium, France, Netherlands, and United Kingdom.

Sand Digger Wasp

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

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

Belly-shaped Hard Grass

The Belly-shaped Hard Grass (Aegilops ventricosa) is a species in the genus Aegilops. It is currently classified as Least Concern on the IUCN Red List. Typically found in grasslands, wetlands, forests, and cultivated landscapes.