Merriam’s Pocket Mouse vs Pear psylla

Perognathus merriami compared with Cacopsylla pyricola

Key Differences

• Merriam’s Pocket Mouse is Least Concern while Pear psylla is Not Evaluated.

Taxonomic Classification

Rank	Merriam’s Pocket Mouse	Pear psylla
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Rodentia (Rodents)	Hemiptera (Hemiptera)
Family	Heteromyidae	Psyllidae
Genus	Perognathus	Cacopsylla
Species	Perognathus merriami	Cacopsylla pyricola

Evolutionary Relationship

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

Conservation Status

Merriam’s Pocket Mouse

LC — Least Concern

Pear psylla

NE — Not Evaluated

Physical Characteristics

Attribute	Merriam’s Pocket Mouse	Pear psylla
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Merriam’s Pocket Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Pear psylla

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

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