Alder leaf beetle vs Crab Apple

Agelastica alni compared with Malus sylvestris

Key Differences

Alder leaf beetle is Least Concern while Crab Apple is Vulnerable.

Taxonomic Classification

Rank	Alder leaf beetle	Crab Apple
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Arthropoda (Arthropods)	Magnoliophyta (Flowering Plants)
Class	Insecta (Insects)	Magnoliopsida (Dicots)
Order	Coleoptera (Beetles)	Rosales (Roses & Allies)
Family	Chrysomelidae	Rosaceae (Rose Family)
Genus	Agelastica	Malus
Species	Agelastica alni	Malus sylvestris

Conservation Status

Alder leaf beetle

LC — Least Concern

Crab Apple

VU — Vulnerable

Physical Characteristics

Attribute	Alder leaf beetle	Crab Apple
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Alder leaf beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, Sweden, and United States.

Crab Apple

Habitat

Found across multiple habitat types including deserts and xeric shrublands, tropical and subtropical moist broadleaf forests, and temperate grasslands and steppes, among 5 distinct biome types spanning the Afrotropic and Neotropic realms.

Range

Widely distributed across Asia (India, Yemen), Europe (9 countries), North America (United States), and South America (Argentina, Brazil). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Alder leaf beetle

The Alder leaf beetle (Agelastica alni) is a species in the genus Agelastica. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.