Squirrel Flea vs Mole Flea

Side-by-side species comparison

Attribute Squirrel Flea Mole Flea
Scientific Name Orchopeas howardi Hystrichopsylla talpae
Order Siphonaptera Siphonaptera
Family Ceratophyllidae Hystrichopsyllidae
Size 2-3 mm 4-6 mm
Habitat Woodlands Caves
Diet Parasites Blood Feeders
Regions North America Europe
Conservation Least Concern Least Concern

Squirrel Flea

A common ectoparasite of eastern gray squirrels and flying squirrels in North America. It is found in squirrel nests and tree cavities.

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Did You Know?

This flea can survive several months without feeding while waiting in an abandoned squirrel nest.

Mole Flea

The largest European flea, found on moles and other burrowing mammals.

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Did You Know?

At six millimeters it is easily visible to the naked eye unlike most flea species.