Forest Tortrix vs Merriam’s Pocket Mouse

Choristoneura diversana compared with Perognathus merriami

Key Differences

• Forest Tortrix is Near Threatened while Merriam’s Pocket Mouse is Least Concern.

Taxonomic Classification

Rank	Forest Tortrix	Merriam’s Pocket Mouse
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Lepidoptera (Butterflies & Moths)	Rodentia (Rodents)
Family	Tortricidae	Heteromyidae
Genus	Choristoneura	Perognathus
Species	Choristoneura diversana	Perognathus merriami

Evolutionary Relationship

Forest Tortrix and Merriam’s Pocket Mouse share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Forest Tortrix

NT — Near Threatened

Merriam’s Pocket Mouse

LC — Least Concern

Physical Characteristics

Attribute	Forest Tortrix	Merriam’s Pocket Mouse
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Forest Tortrix

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Merriam’s Pocket Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.