Alder vs Fletcher scale

Alnus glutinosa compared with Parthenolecanium fletcheri

Key Differences

• Alder is Least Concern while Fletcher scale is Not Evaluated.

Taxonomic Classification

Rank	Alder	Fletcher scale
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Arthropoda (Arthropods)
Class	Magnoliopsida (Dicots)	Insecta (Insects)
Order	Fagales (Beeches & Oaks)	Hemiptera (Hemiptera)
Family	Betulaceae	Coccidae
Genus	Alnus	Parthenolecanium
Species	Alnus glutinosa	Parthenolecanium fletcheri

Conservation Status

Alder

LC — Least Concern

Fletcher scale

NE — Not Evaluated

Physical Characteristics

Attribute	Alder	Fletcher scale
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Alder

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Widely distributed across Africa (South Africa), Asia (India, Japan), Europe (6 countries), North America (Canada, United States), Oceania and the Pacific (Australia, New Zealand), and South America (Chile).

Fletcher scale

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (20 countries) and North America (United States).

Alder

The Alder (Alnus glutinosa) is a species in the genus Alnus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Shared Countries

Both species can be found in 5 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden 🇺🇸 United States