Squirrel Flea vs Chigoe Flea

Side-by-side species comparison

Attribute Squirrel Flea Chigoe Flea
Scientific Name Orchopeas howardi Tunga penetrans
Order Siphonaptera Siphonaptera
Family Ceratophyllidae Tungidae
Size 2-3 mm 1 mm
Habitat Woodlands Deserts & Drylands
Diet Parasites Blood Feeders
Regions North America Africa, South America, Central America
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.

Chigoe Flea

A tiny tropical flea whose fertilized females burrow into the skin of the feet, causing painful swelling called tungiasis. It is the smallest known flea.

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Did You Know?

The female chigoe flea swells to the size of a pea after burrowing into skin, growing to nearly 100 times her unfed volume.